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Finding the Fourth Proportional to 107,876.46, 148,871.47 and 60,124.68

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Solution

The fourth proportional to 107,876.46, 148,871.47 and 60,124.68 is: 82,973.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,876.46 : 148,871.47 = 60,124.68 : x
  2. Step 2: Convert to fraction form
    107,876.46/148,871.47 = 60,124.68/x
  3. Step 3: Cross multiply
    107,876.46x = 148,871.47 × 60,124.68
  4. Step 4: Simplify right side
    107,876.46x = 8,950,849,457.30
  5. Step 5: Solve for x
    x = 8,950,849,457.30/107,876.46
  6. Step 6: Final answer
    x = 82,973.15

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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.