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Finding the Fourth Proportional to 149,066.70, 223,600.05 and 124,134.90

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Solution

The fourth proportional to 149,066.70, 223,600.05 and 124,134.90 is: 186,202.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,066.70 : 223,600.05 = 124,134.90 : x
  2. Step 2: Convert to fraction form
    149,066.70/223,600.05 = 124,134.90/x
  3. Step 3: Cross multiply
    149,066.70x = 223,600.05 × 124,134.90
  4. Step 4: Simplify right side
    149,066.70x = 27,756,569,846.75
  5. Step 5: Solve for x
    x = 27,756,569,846.75/149,066.70
  6. Step 6: Final answer
    x = 186,202.35

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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.