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Finding the Fourth Proportional to 108,059.68, 149,129.76 and 60,322.32

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Solution

The fourth proportional to 108,059.68, 149,129.76 and 60,322.32 is: 83,248.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,059.68 : 149,129.76 = 60,322.32 : x
  2. Step 2: Convert to fraction form
    108,059.68/149,129.76 = 60,322.32/x
  3. Step 3: Cross multiply
    108,059.68x = 149,129.76 × 60,322.32
  4. Step 4: Simplify right side
    108,059.68x = 8,995,853,104.24
  5. Step 5: Solve for x
    x = 8,995,853,104.24/108,059.68
  6. Step 6: Final answer
    x = 83,248.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.