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Finding the Fourth Proportional to 149,145.76, 223,938.96 and 99,534.88

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Solution

The fourth proportional to 149,145.76, 223,938.96 and 99,534.88 is: 149,449.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,145.76 : 223,938.96 = 99,534.88 : x
  2. Step 2: Convert to fraction form
    149,145.76/223,938.96 = 99,534.88/x
  3. Step 3: Cross multiply
    149,145.76x = 223,938.96 × 99,534.88
  4. Step 4: Simplify right side
    149,145.76x = 22,289,737,510.92
  5. Step 5: Solve for x
    x = 22,289,737,510.92/149,145.76
  6. Step 6: Final answer
    x = 149,449.35

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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.