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Finding the Fourth Proportional to 169,918.75, 234,497.60 and 94,472.11

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Solution

The fourth proportional to 169,918.75, 234,497.60 and 94,472.11 is: 130,376.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,918.75 : 234,497.60 = 94,472.11 : x
  2. Step 2: Convert to fraction form
    169,918.75/234,497.60 = 94,472.11/x
  3. Step 3: Cross multiply
    169,918.75x = 234,497.60 × 94,472.11
  4. Step 4: Simplify right side
    169,918.75x = 22,153,483,061.94
  5. Step 5: Solve for x
    x = 22,153,483,061.94/169,918.75
  6. Step 6: Final answer
    x = 130,376.92

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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.