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Finding the Fourth Proportional to 76,725.48, 114,935.13 and 60,957.21

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Solution

The fourth proportional to 76,725.48, 114,935.13 and 60,957.21 is: 91,314.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,725.48 : 114,935.13 = 60,957.21 : x
  2. Step 2: Convert to fraction form
    76,725.48/114,935.13 = 60,957.21/x
  3. Step 3: Cross multiply
    76,725.48x = 114,935.13 × 60,957.21
  4. Step 4: Simplify right side
    76,725.48x = 7,006,124,855.79
  5. Step 5: Solve for x
    x = 7,006,124,855.79/76,725.48
  6. Step 6: Final answer
    x = 91,314.19

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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.