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Finding the Fourth Proportional to 149,060.40, 223,007.40 and 96,572.40

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Solution

The fourth proportional to 149,060.40, 223,007.40 and 96,572.40 is: 144,480.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,060.40 : 223,007.40 = 96,572.40 : x
  2. Step 2: Convert to fraction form
    149,060.40/223,007.40 = 96,572.40/x
  3. Step 3: Cross multiply
    149,060.40x = 223,007.40 × 96,572.40
  4. Step 4: Simplify right side
    149,060.40x = 21,536,359,835.76
  5. Step 5: Solve for x
    x = 21,536,359,835.76/149,060.40
  6. Step 6: Final answer
    x = 144,480.76

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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.