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Finding the Fourth Proportional to 98,452.70, 147,679.05 and 93,614.30

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Solution

The fourth proportional to 98,452.70, 147,679.05 and 93,614.30 is: 140,421.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,452.70 : 147,679.05 = 93,614.30 : x
  2. Step 2: Convert to fraction form
    98,452.70/147,679.05 = 93,614.30/x
  3. Step 3: Cross multiply
    98,452.70x = 147,679.05 × 93,614.30
  4. Step 4: Simplify right side
    98,452.70x = 13,824,870,890.42
  5. Step 5: Solve for x
    x = 13,824,870,890.42/98,452.70
  6. Step 6: Final answer
    x = 140,421.45

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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.