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Finding the Fourth Proportional to 107,911.52, 148,918.11 and 60,167.93

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Solution

The fourth proportional to 107,911.52, 148,918.11 and 60,167.93 is: 83,031.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,911.52 : 148,918.11 = 60,167.93 : x
  2. Step 2: Convert to fraction form
    107,911.52/148,918.11 = 60,167.93/x
  3. Step 3: Cross multiply
    107,911.52x = 148,918.11 × 60,167.93
  4. Step 4: Simplify right side
    107,911.52x = 8,960,094,418.21
  5. Step 5: Solve for x
    x = 8,960,094,418.21/107,911.52
  6. Step 6: Final answer
    x = 83,031.86

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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.