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Finding the Fourth Proportional to 92,502.76, 138,751.94 and 53,030.92

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Solution

The fourth proportional to 92,502.76, 138,751.94 and 53,030.92 is: 79,545.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,502.76 : 138,751.94 = 53,030.92 : x
  2. Step 2: Convert to fraction form
    92,502.76/138,751.94 = 53,030.92/x
  3. Step 3: Cross multiply
    92,502.76x = 138,751.94 × 53,030.92
  4. Step 4: Simplify right side
    92,502.76x = 7,358,143,029.98
  5. Step 5: Solve for x
    x = 7,358,143,029.98/92,502.76
  6. Step 6: Final answer
    x = 79,545.12

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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.