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Finding the Fourth Proportional to 124,226.80, 186,340.20 and 88,797.40

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Solution

The fourth proportional to 124,226.80, 186,340.20 and 88,797.40 is: 133,196.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,226.80 : 186,340.20 = 88,797.40 : x
  2. Step 2: Convert to fraction form
    124,226.80/186,340.20 = 88,797.40/x
  3. Step 3: Cross multiply
    124,226.80x = 186,340.20 × 88,797.40
  4. Step 4: Simplify right side
    124,226.80x = 16,546,525,275.48
  5. Step 5: Solve for x
    x = 16,546,525,275.48/124,226.80
  6. Step 6: Final answer
    x = 133,196.10

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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.