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Finding the Fourth Proportional to 342,758.45, 514,132.18 and 93,440.45

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Solution

The fourth proportional to 342,758.45, 514,132.18 and 93,440.45 is: 140,159.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,758.45 : 514,132.18 = 93,440.45 : x
  2. Step 2: Convert to fraction form
    342,758.45/514,132.18 = 93,440.45/x
  3. Step 3: Cross multiply
    342,758.45x = 514,132.18 × 93,440.45
  4. Step 4: Simplify right side
    342,758.45x = 48,040,743,310.41
  5. Step 5: Solve for x
    x = 48,040,743,310.41/342,758.45
  6. Step 6: Final answer
    x = 140,159.18

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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.