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Finding the Fourth Proportional to 101,101.20, 151,651.80 and 48,483.60

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Solution

The fourth proportional to 101,101.20, 151,651.80 and 48,483.60 is: 72,725.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,101.20 : 151,651.80 = 48,483.60 : x
  2. Step 2: Convert to fraction form
    101,101.20/151,651.80 = 48,483.60/x
  3. Step 3: Cross multiply
    101,101.20x = 151,651.80 × 48,483.60
  4. Step 4: Simplify right side
    101,101.20x = 7,352,625,210.48
  5. Step 5: Solve for x
    x = 7,352,625,210.48/101,101.20
  6. Step 6: Final answer
    x = 72,725.40

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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.