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Finding the Fourth Proportional to 162,672.30, 224,445.18 and 93,744.90

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Solution

The fourth proportional to 162,672.30, 224,445.18 and 93,744.90 is: 129,343.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,672.30 : 224,445.18 = 93,744.90 : x
  2. Step 2: Convert to fraction form
    162,672.30/224,445.18 = 93,744.90/x
  3. Step 3: Cross multiply
    162,672.30x = 224,445.18 × 93,744.90
  4. Step 4: Simplify right side
    162,672.30x = 21,040,590,954.58
  5. Step 5: Solve for x
    x = 21,040,590,954.58/162,672.30
  6. Step 6: Final answer
    x = 129,343.42

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1.5x scale

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.