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Finding the Fourth Proportional to 96,041.70, 144,062.55 and 54,051.30

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Solution

The fourth proportional to 96,041.70, 144,062.55 and 54,051.30 is: 81,076.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,041.70 : 144,062.55 = 54,051.30 : x
  2. Step 2: Convert to fraction form
    96,041.70/144,062.55 = 54,051.30/x
  3. Step 3: Cross multiply
    96,041.70x = 144,062.55 × 54,051.30
  4. Step 4: Simplify right side
    96,041.70x = 7,786,768,108.82
  5. Step 5: Solve for x
    x = 7,786,768,108.82/96,041.70
  6. Step 6: Final answer
    x = 81,076.95

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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.