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Finding the Fourth Proportional to 108,003.17, 149,051.54 and 60,257.54

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Solution

The fourth proportional to 108,003.17, 149,051.54 and 60,257.54 is: 83,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,003.17 : 149,051.54 = 60,257.54 : x
  2. Step 2: Convert to fraction form
    108,003.17/149,051.54 = 60,257.54/x
  3. Step 3: Cross multiply
    108,003.17x = 149,051.54 × 60,257.54
  4. Step 4: Simplify right side
    108,003.17x = 8,981,478,818.47
  5. Step 5: Solve for x
    x = 8,981,478,818.47/108,003.17
  6. Step 6: Final answer
    x = 83,159.40

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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.