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Finding the Fourth Proportional to 179,925.66, 270,063.42 and 86,497.02

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Solution

The fourth proportional to 179,925.66, 270,063.42 and 86,497.02 is: 129,829.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,925.66 : 270,063.42 = 86,497.02 : x
  2. Step 2: Convert to fraction form
    179,925.66/270,063.42 = 86,497.02/x
  3. Step 3: Cross multiply
    179,925.66x = 270,063.42 × 86,497.02
  4. Step 4: Simplify right side
    179,925.66x = 23,359,681,041.01
  5. Step 5: Solve for x
    x = 23,359,681,041.01/179,925.66
  6. Step 6: Final answer
    x = 129,829.63

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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.