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Finding the Fourth Proportional to 149,658.30, 224,487.45 and 130,412.70

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Solution

The fourth proportional to 149,658.30, 224,487.45 and 130,412.70 is: 195,619.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,658.30 : 224,487.45 = 130,412.70 : x
  2. Step 2: Convert to fraction form
    149,658.30/224,487.45 = 130,412.70/x
  3. Step 3: Cross multiply
    149,658.30x = 224,487.45 × 130,412.70
  4. Step 4: Simplify right side
    149,658.30x = 29,276,014,470.62
  5. Step 5: Solve for x
    x = 29,276,014,470.62/149,658.30
  6. Step 6: Final answer
    x = 195,619.05

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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.