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Finding the Fourth Proportional to 108,472.42, 149,697.48 and 60,722.92

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Solution

The fourth proportional to 108,472.42, 149,697.48 and 60,722.92 is: 83,800.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,472.42 : 149,697.48 = 60,722.92 : x
  2. Step 2: Convert to fraction form
    108,472.42/149,697.48 = 60,722.92/x
  3. Step 3: Cross multiply
    108,472.42x = 149,697.48 × 60,722.92
  4. Step 4: Simplify right side
    108,472.42x = 9,090,068,102.24
  5. Step 5: Solve for x
    x = 9,090,068,102.24/108,472.42
  6. Step 6: Final answer
    x = 83,800.73

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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.