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Finding the Fourth Proportional to 149,669.48, 224,655.96 and 74,843.12

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Solution

The fourth proportional to 149,669.48, 224,655.96 and 74,843.12 is: 112,340.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,669.48 : 224,655.96 = 74,843.12 : x
  2. Step 2: Convert to fraction form
    149,669.48/224,655.96 = 74,843.12/x
  3. Step 3: Cross multiply
    149,669.48x = 224,655.96 × 74,843.12
  4. Step 4: Simplify right side
    149,669.48x = 16,813,952,973.00
  5. Step 5: Solve for x
    x = 16,813,952,973.00/149,669.48
  6. Step 6: Final answer
    x = 112,340.56

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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.