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Finding the Fourth Proportional to 149,673.80, 224,769.90 and 145,008.20

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Solution

The fourth proportional to 149,673.80, 224,769.90 and 145,008.20 is: 217,763.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,673.80 : 224,769.90 = 145,008.20 : x
  2. Step 2: Convert to fraction form
    149,673.80/224,769.90 = 145,008.20/x
  3. Step 3: Cross multiply
    149,673.80x = 224,769.90 × 145,008.20
  4. Step 4: Simplify right side
    149,673.80x = 32,593,478,613.18
  5. Step 5: Solve for x
    x = 32,593,478,613.18/149,673.80
  6. Step 6: Final answer
    x = 217,763.42

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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.