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Finding the Fourth Proportional to 73,545.77, 110,377.77 and 38,017.50

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Solution

The fourth proportional to 73,545.77, 110,377.77 and 38,017.50 is: 57,056.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,545.77 : 110,377.77 = 38,017.50 : x
  2. Step 2: Convert to fraction form
    73,545.77/110,377.77 = 38,017.50/x
  3. Step 3: Cross multiply
    73,545.77x = 110,377.77 × 38,017.50
  4. Step 4: Simplify right side
    73,545.77x = 4,196,286,870.98
  5. Step 5: Solve for x
    x = 4,196,286,870.98/73,545.77
  6. Step 6: Final answer
    x = 57,056.81

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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.