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Finding the Fourth Proportional to 187,545.96, 258,543.90 and 133,737.30

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Solution

The fourth proportional to 187,545.96, 258,543.90 and 133,737.30 is: 184,365.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,545.96 : 258,543.90 = 133,737.30 : x
  2. Step 2: Convert to fraction form
    187,545.96/258,543.90 = 133,737.30/x
  3. Step 3: Cross multiply
    187,545.96x = 258,543.90 × 133,737.30
  4. Step 4: Simplify right side
    187,545.96x = 34,576,963,117.47
  5. Step 5: Solve for x
    x = 34,576,963,117.47/187,545.96
  6. Step 6: Final answer
    x = 184,365.28

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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.