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Finding the Fourth Proportional to 169,515.92, 233,915.94 and 101,531.72

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Solution

The fourth proportional to 169,515.92, 233,915.94 and 101,531.72 is: 140,104.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,515.92 : 233,915.94 = 101,531.72 : x
  2. Step 2: Convert to fraction form
    169,515.92/233,915.94 = 101,531.72/x
  3. Step 3: Cross multiply
    169,515.92x = 233,915.94 × 101,531.72
  4. Step 4: Simplify right side
    169,515.92x = 23,749,886,554.04
  5. Step 5: Solve for x
    x = 23,749,886,554.04/169,515.92
  6. Step 6: Final answer
    x = 140,104.17

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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.