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Finding the Fourth Proportional to 60,948.48, 84,108.30 and 34,090.68

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Solution

The fourth proportional to 60,948.48, 84,108.30 and 34,090.68 is: 47,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,948.48 : 84,108.30 = 34,090.68 : x
  2. Step 2: Convert to fraction form
    60,948.48/84,108.30 = 34,090.68/x
  3. Step 3: Cross multiply
    60,948.48x = 84,108.30 × 34,090.68
  4. Step 4: Simplify right side
    60,948.48x = 2,867,309,140.64
  5. Step 5: Solve for x
    x = 2,867,309,140.64/60,948.48
  6. Step 6: Final answer
    x = 47,044.80

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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.