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Finding the Fourth Proportional to 108,655.78, 163,030.50 and 58,771

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Solution

The fourth proportional to 108,655.78, 163,030.50 and 58,771 is: 88,181.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,655.78 : 163,030.50 = 58,771 : x
  2. Step 2: Convert to fraction form
    108,655.78/163,030.50 = 58,771/x
  3. Step 3: Cross multiply
    108,655.78x = 163,030.50 × 58,771
  4. Step 4: Simplify right side
    108,655.78x = 9,581,465,515.50
  5. Step 5: Solve for x
    x = 9,581,465,515.50/108,655.78
  6. Step 6: Final answer
    x = 88,181.83

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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.