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Finding the Fourth Proportional to 104,069,923.20, 156,104,884.80 and 100,101,830.40

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Solution

The fourth proportional to 104,069,923.20, 156,104,884.80 and 100,101,830.40 is: 150,152,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,069,923.20 : 156,104,884.80 = 100,101,830.40 : x
  2. Step 2: Convert to fraction form
    104,069,923.20/156,104,884.80 = 100,101,830.40/x
  3. Step 3: Cross multiply
    104,069,923.20x = 156,104,884.80 × 100,101,830.40
  4. Step 4: Simplify right side
    104,069,923.20x = 15,626,384,702,861,140
  5. Step 5: Solve for x
    x = 15,626,384,702,861,140/104,069,923.20
  6. Step 6: Final answer
    x = 150,152,745.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.