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Finding the Fourth Proportional to 110,901.52, 153,026.40 and 63,155.80

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Solution

The fourth proportional to 110,901.52, 153,026.40 and 63,155.80 is: 87,144.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,901.52 : 153,026.40 = 63,155.80 : x
  2. Step 2: Convert to fraction form
    110,901.52/153,026.40 = 63,155.80/x
  3. Step 3: Cross multiply
    110,901.52x = 153,026.40 × 63,155.80
  4. Step 4: Simplify right side
    110,901.52x = 9,664,504,713.12
  5. Step 5: Solve for x
    x = 9,664,504,713.12/110,901.52
  6. Step 6: Final answer
    x = 87,144.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.