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Finding the Fourth Proportional to 160,425.34, 240,874.55 and 89,486.57

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Solution

The fourth proportional to 160,425.34, 240,874.55 and 89,486.57 is: 134,361.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,425.34 : 240,874.55 = 89,486.57 : x
  2. Step 2: Convert to fraction form
    160,425.34/240,874.55 = 89,486.57/x
  3. Step 3: Cross multiply
    160,425.34x = 240,874.55 × 89,486.57
  4. Step 4: Simplify right side
    160,425.34x = 21,555,037,279.79
  5. Step 5: Solve for x
    x = 21,555,037,279.79/160,425.34
  6. Step 6: Final answer
    x = 134,361.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.