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Finding the Fourth Proportional to 101,444.52, 152,166.84 and 79,224.60

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Solution

The fourth proportional to 101,444.52, 152,166.84 and 79,224.60 is: 118,836.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,444.52 : 152,166.84 = 79,224.60 : x
  2. Step 2: Convert to fraction form
    101,444.52/152,166.84 = 79,224.60/x
  3. Step 3: Cross multiply
    101,444.52x = 152,166.84 × 79,224.60
  4. Step 4: Simplify right side
    101,444.52x = 12,055,357,032.26
  5. Step 5: Solve for x
    x = 12,055,357,032.26/101,444.52
  6. Step 6: Final answer
    x = 118,836.95

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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.