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Finding the Fourth Proportional to 170,396.52, 235,146.44 and 93,915.46

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Solution

The fourth proportional to 170,396.52, 235,146.44 and 93,915.46 is: 129,602.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,396.52 : 235,146.44 = 93,915.46 : x
  2. Step 2: Convert to fraction form
    170,396.52/235,146.44 = 93,915.46/x
  3. Step 3: Cross multiply
    170,396.52x = 235,146.44 × 93,915.46
  4. Step 4: Simplify right side
    170,396.52x = 22,083,886,079.96
  5. Step 5: Solve for x
    x = 22,083,886,079.96/170,396.52
  6. Step 6: Final answer
    x = 129,602.92

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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.