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Finding the Fourth Proportional to 108,737.72, 150,057.95 and 60,990.65

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Solution

The fourth proportional to 108,737.72, 150,057.95 and 60,990.65 is: 84,167.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,737.72 : 150,057.95 = 60,990.65 : x
  2. Step 2: Convert to fraction form
    108,737.72/150,057.95 = 60,990.65/x
  3. Step 3: Cross multiply
    108,737.72x = 150,057.95 × 60,990.65
  4. Step 4: Simplify right side
    108,737.72x = 9,152,131,603.21
  5. Step 5: Solve for x
    x = 9,152,131,603.21/108,737.72
  6. Step 6: Final answer
    x = 84,167.04

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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.