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Finding the Fourth Proportional to 146,502.60, 219,710.70 and 57,726.60

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Solution

The fourth proportional to 146,502.60, 219,710.70 and 57,726.60 is: 86,572.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,502.60 : 219,710.70 = 57,726.60 : x
  2. Step 2: Convert to fraction form
    146,502.60/219,710.70 = 57,726.60/x
  3. Step 3: Cross multiply
    146,502.60x = 219,710.70 × 57,726.60
  4. Step 4: Simplify right side
    146,502.60x = 12,683,151,694.62
  5. Step 5: Solve for x
    x = 12,683,151,694.62/146,502.60
  6. Step 6: Final answer
    x = 86,572.88

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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.