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Finding the Fourth Proportional to 149,729.20, 224,593.80 and 99,646.90

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Solution

The fourth proportional to 149,729.20, 224,593.80 and 99,646.90 is: 149,470.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,729.20 : 224,593.80 = 99,646.90 : x
  2. Step 2: Convert to fraction form
    149,729.20/224,593.80 = 99,646.90/x
  3. Step 3: Cross multiply
    149,729.20x = 224,593.80 × 99,646.90
  4. Step 4: Simplify right side
    149,729.20x = 22,380,075,929.22
  5. Step 5: Solve for x
    x = 22,380,075,929.22/149,729.20
  6. Step 6: Final answer
    x = 149,470.35

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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.