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Finding the Fourth Proportional to 149,283, 223,923.10 and 60,515.42

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Solution

The fourth proportional to 149,283, 223,923.10 and 60,515.42 is: 90,772.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,283 : 223,923.10 = 60,515.42 : x
  2. Step 2: Convert to fraction form
    149,283/223,923.10 = 60,515.42/x
  3. Step 3: Cross multiply
    149,283x = 223,923.10 × 60,515.42
  4. Step 4: Simplify right side
    149,283x = 13,550,800,444.20
  5. Step 5: Solve for x
    x = 13,550,800,444.20/149,283
  6. Step 6: Final answer
    x = 90,772.56

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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.