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Finding the Fourth Proportional to 62,113.76, 92,639.92 and 52,814.96

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Solution

The fourth proportional to 62,113.76, 92,639.92 and 52,814.96 is: 78,771.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,113.76 : 92,639.92 = 52,814.96 : x
  2. Step 2: Convert to fraction form
    62,113.76/92,639.92 = 52,814.96/x
  3. Step 3: Cross multiply
    62,113.76x = 92,639.92 × 52,814.96
  4. Step 4: Simplify right side
    62,113.76x = 4,892,773,669.20
  5. Step 5: Solve for x
    x = 4,892,773,669.20/62,113.76
  6. Step 6: Final answer
    x = 78,771.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.