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Finding the Fourth Proportional to 101,847.60, 152,771.40 and 80,852.40

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Solution

The fourth proportional to 101,847.60, 152,771.40 and 80,852.40 is: 121,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,847.60 : 152,771.40 = 80,852.40 : x
  2. Step 2: Convert to fraction form
    101,847.60/152,771.40 = 80,852.40/x
  3. Step 3: Cross multiply
    101,847.60x = 152,771.40 × 80,852.40
  4. Step 4: Simplify right side
    101,847.60x = 12,351,934,341.36
  5. Step 5: Solve for x
    x = 12,351,934,341.36/101,847.60
  6. Step 6: Final answer
    x = 121,278.60

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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.