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Finding the Fourth Proportional to 124,515.82, 186,828.63 and 65,337.22

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Solution

The fourth proportional to 124,515.82, 186,828.63 and 65,337.22 is: 98,034.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,515.82 : 186,828.63 = 65,337.22 : x
  2. Step 2: Convert to fraction form
    124,515.82/186,828.63 = 65,337.22/x
  3. Step 3: Cross multiply
    124,515.82x = 186,828.63 × 65,337.22
  4. Step 4: Simplify right side
    124,515.82x = 12,206,863,300.61
  5. Step 5: Solve for x
    x = 12,206,863,300.61/124,515.82
  6. Step 6: Final answer
    x = 98,034.64

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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.