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Finding the Fourth Proportional to 107,574.84, 148,428.78 and 62,251.68

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Solution

The fourth proportional to 107,574.84, 148,428.78 and 62,251.68 is: 85,893.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,574.84 : 148,428.78 = 62,251.68 : x
  2. Step 2: Convert to fraction form
    107,574.84/148,428.78 = 62,251.68/x
  3. Step 3: Cross multiply
    107,574.84x = 148,428.78 × 62,251.68
  4. Step 4: Simplify right side
    107,574.84x = 9,239,940,915.35
  5. Step 5: Solve for x
    x = 9,239,940,915.35/107,574.84
  6. Step 6: Final answer
    x = 85,893.14

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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.