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Finding the Fourth Proportional to 265,126.59, 397,454.13 and 96,615.21

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Solution

The fourth proportional to 265,126.59, 397,454.13 and 96,615.21 is: 144,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,126.59 : 397,454.13 = 96,615.21 : x
  2. Step 2: Convert to fraction form
    265,126.59/397,454.13 = 96,615.21/x
  3. Step 3: Cross multiply
    265,126.59x = 397,454.13 × 96,615.21
  4. Step 4: Simplify right side
    265,126.59x = 38,400,114,235.32
  5. Step 5: Solve for x
    x = 38,400,114,235.32/265,126.59
  6. Step 6: Final answer
    x = 144,836.90

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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.