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Finding the Fourth Proportional to 89,893.67, 124,098.14 and 55,913.12

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Solution

The fourth proportional to 89,893.67, 124,098.14 and 55,913.12 is: 77,188.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,893.67 : 124,098.14 = 55,913.12 : x
  2. Step 2: Convert to fraction form
    89,893.67/124,098.14 = 55,913.12/x
  3. Step 3: Cross multiply
    89,893.67x = 124,098.14 × 55,913.12
  4. Step 4: Simplify right side
    89,893.67x = 6,938,714,178.26
  5. Step 5: Solve for x
    x = 6,938,714,178.26/89,893.67
  6. Step 6: Final answer
    x = 77,188.02

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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.