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Finding the Fourth Proportional to 96,615.08, 144,693.51 and 76,560.08

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Solution

The fourth proportional to 96,615.08, 144,693.51 and 76,560.08 is: 114,658.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,615.08 : 144,693.51 = 76,560.08 : x
  2. Step 2: Convert to fraction form
    96,615.08/144,693.51 = 76,560.08/x
  3. Step 3: Cross multiply
    96,615.08x = 144,693.51 × 76,560.08
  4. Step 4: Simplify right side
    96,615.08x = 11,077,745,977.61
  5. Step 5: Solve for x
    x = 11,077,745,977.61/96,615.08
  6. Step 6: Final answer
    x = 114,658.57

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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.