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Finding the Fourth Proportional to 61,400.86, 92,002.93 and 55,495.96

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Solution

The fourth proportional to 61,400.86, 92,002.93 and 55,495.96 is: 83,155.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,400.86 : 92,002.93 = 55,495.96 : x
  2. Step 2: Convert to fraction form
    61,400.86/92,002.93 = 55,495.96/x
  3. Step 3: Cross multiply
    61,400.86x = 92,002.93 × 55,495.96
  4. Step 4: Simplify right side
    61,400.86x = 5,105,790,923.16
  5. Step 5: Solve for x
    x = 5,105,790,923.16/61,400.86
  6. Step 6: Final answer
    x = 83,155.04

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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.