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Finding the Fourth Proportional to 149,686.80, 224,530.20 and 99,167.10

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Solution

The fourth proportional to 149,686.80, 224,530.20 and 99,167.10 is: 148,750.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,686.80 : 224,530.20 = 99,167.10 : x
  2. Step 2: Convert to fraction form
    149,686.80/224,530.20 = 99,167.10/x
  3. Step 3: Cross multiply
    149,686.80x = 224,530.20 × 99,167.10
  4. Step 4: Simplify right side
    149,686.80x = 22,266,008,796.42
  5. Step 5: Solve for x
    x = 22,266,008,796.42/149,686.80
  6. Step 6: Final answer
    x = 148,750.65

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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.