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Finding the Fourth Proportional to 124,248.79, 186,241.96 and 60,980.91

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Solution

The fourth proportional to 124,248.79, 186,241.96 and 60,980.91 is: 91,406.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,248.79 : 186,241.96 = 60,980.91 : x
  2. Step 2: Convert to fraction form
    124,248.79/186,241.96 = 60,980.91/x
  3. Step 3: Cross multiply
    124,248.79x = 186,241.96 × 60,980.91
  4. Step 4: Simplify right side
    124,248.79x = 11,357,204,200.98
  5. Step 5: Solve for x
    x = 11,357,204,200.98/124,248.79
  6. Step 6: Final answer
    x = 91,406.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.