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Finding the Fourth Proportional to 124,338.59, 186,563.01 and 65,160.19

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Solution

The fourth proportional to 124,338.59, 186,563.01 and 65,160.19 is: 97,769.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,338.59 : 186,563.01 = 65,160.19 : x
  2. Step 2: Convert to fraction form
    124,338.59/186,563.01 = 65,160.19/x
  3. Step 3: Cross multiply
    124,338.59x = 186,563.01 × 65,160.19
  4. Step 4: Simplify right side
    124,338.59x = 12,156,481,178.57
  5. Step 5: Solve for x
    x = 12,156,481,178.57/124,338.59
  6. Step 6: Final answer
    x = 97,769.17

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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.