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Finding the Fourth Proportional to 169,502.70, 233,898.27 and 100,580.29

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Solution

The fourth proportional to 169,502.70, 233,898.27 and 100,580.29 is: 138,791.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,502.70 : 233,898.27 = 100,580.29 : x
  2. Step 2: Convert to fraction form
    169,502.70/233,898.27 = 100,580.29/x
  3. Step 3: Cross multiply
    169,502.70x = 233,898.27 × 100,580.29
  4. Step 4: Simplify right side
    169,502.70x = 23,525,554,154.71
  5. Step 5: Solve for x
    x = 23,525,554,154.71/169,502.70
  6. Step 6: Final answer
    x = 138,791.62

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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.