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Finding the Fourth Proportional to 169,842.48, 234,376.92 and 94,389.36

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Solution

The fourth proportional to 169,842.48, 234,376.92 and 94,389.36 is: 130,254.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,842.48 : 234,376.92 = 94,389.36 : x
  2. Step 2: Convert to fraction form
    169,842.48/234,376.92 = 94,389.36/x
  3. Step 3: Cross multiply
    169,842.48x = 234,376.92 × 94,389.36
  4. Step 4: Simplify right side
    169,842.48x = 22,122,687,477.57
  5. Step 5: Solve for x
    x = 22,122,687,477.57/169,842.48
  6. Step 6: Final answer
    x = 130,254.15

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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.