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Finding the Fourth Proportional to 137,737.92, 206,555.04 and 108,500.16

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Solution

The fourth proportional to 137,737.92, 206,555.04 and 108,500.16 is: 162,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,737.92 : 206,555.04 = 108,500.16 : x
  2. Step 2: Convert to fraction form
    137,737.92/206,555.04 = 108,500.16/x
  3. Step 3: Cross multiply
    137,737.92x = 206,555.04 × 108,500.16
  4. Step 4: Simplify right side
    137,737.92x = 22,411,254,888.81
  5. Step 5: Solve for x
    x = 22,411,254,888.81/137,737.92
  6. Step 6: Final answer
    x = 162,709.40

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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.