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Finding the Fourth Proportional to 175,347.60, 262,848.60 and 86,614.80

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Solution

The fourth proportional to 175,347.60, 262,848.60 and 86,614.80 is: 129,836.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,347.60 : 262,848.60 = 86,614.80 : x
  2. Step 2: Convert to fraction form
    175,347.60/262,848.60 = 86,614.80/x
  3. Step 3: Cross multiply
    175,347.60x = 262,848.60 × 86,614.80
  4. Step 4: Simplify right side
    175,347.60x = 22,766,578,919.28
  5. Step 5: Solve for x
    x = 22,766,578,919.28/175,347.60
  6. Step 6: Final answer
    x = 129,836.84

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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.