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Finding the Fourth Proportional to 124,077.80, 186,116.70 and 96,084.20

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Solution

The fourth proportional to 124,077.80, 186,116.70 and 96,084.20 is: 144,126.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,077.80 : 186,116.70 = 96,084.20 : x
  2. Step 2: Convert to fraction form
    124,077.80/186,116.70 = 96,084.20/x
  3. Step 3: Cross multiply
    124,077.80x = 186,116.70 × 96,084.20
  4. Step 4: Simplify right side
    124,077.80x = 17,882,874,226.14
  5. Step 5: Solve for x
    x = 17,882,874,226.14/124,077.80
  6. Step 6: Final answer
    x = 144,126.30

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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.