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Finding the Fourth Proportional to 125,016.80, 187,543.44 and 36,270.80

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Solution

The fourth proportional to 125,016.80, 187,543.44 and 36,270.80 is: 54,411.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,016.80 : 187,543.44 = 36,270.80 : x
  2. Step 2: Convert to fraction form
    125,016.80/187,543.44 = 36,270.80/x
  3. Step 3: Cross multiply
    125,016.80x = 187,543.44 × 36,270.80
  4. Step 4: Simplify right side
    125,016.80x = 6,802,350,603.55
  5. Step 5: Solve for x
    x = 6,802,350,603.55/125,016.80
  6. Step 6: Final answer
    x = 54,411.49

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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.