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Finding the Fourth Proportional to 92,643.39, 127,800.92 and 58,594.53

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Solution

The fourth proportional to 92,643.39, 127,800.92 and 58,594.53 is: 80,830.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,643.39 : 127,800.92 = 58,594.53 : x
  2. Step 2: Convert to fraction form
    92,643.39/127,800.92 = 58,594.53/x
  3. Step 3: Cross multiply
    92,643.39x = 127,800.92 × 58,594.53
  4. Step 4: Simplify right side
    92,643.39x = 7,488,435,466.71
  5. Step 5: Solve for x
    x = 7,488,435,466.71/92,643.39
  6. Step 6: Final answer
    x = 80,830.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.