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Finding the Fourth Proportional to 99,167.92, 136,837.95 and 58,333.90

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Solution

The fourth proportional to 99,167.92, 136,837.95 and 58,333.90 is: 80,492.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,167.92 : 136,837.95 = 58,333.90 : x
  2. Step 2: Convert to fraction form
    99,167.92/136,837.95 = 58,333.90/x
  3. Step 3: Cross multiply
    99,167.92x = 136,837.95 × 58,333.90
  4. Step 4: Simplify right side
    99,167.92x = 7,982,291,291.51
  5. Step 5: Solve for x
    x = 7,982,291,291.51/99,167.92
  6. Step 6: Final answer
    x = 80,492.68

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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.