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Finding the Fourth Proportional to 107,894.88, 148,894.56 and 60,148.80

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Solution

The fourth proportional to 107,894.88, 148,894.56 and 60,148.80 is: 83,005.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,894.88 : 148,894.56 = 60,148.80 : x
  2. Step 2: Convert to fraction form
    107,894.88/148,894.56 = 60,148.80/x
  3. Step 3: Cross multiply
    107,894.88x = 148,894.56 × 60,148.80
  4. Step 4: Simplify right side
    107,894.88x = 8,955,829,110.53
  5. Step 5: Solve for x
    x = 8,955,829,110.53/107,894.88
  6. Step 6: Final answer
    x = 83,005.14

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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.