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Finding the Fourth Proportional to 77,615.79, 116,340.79 and 44,264.04

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Solution

The fourth proportional to 77,615.79, 116,340.79 and 44,264.04 is: 66,348.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,615.79 : 116,340.79 = 44,264.04 : x
  2. Step 2: Convert to fraction form
    77,615.79/116,340.79 = 44,264.04/x
  3. Step 3: Cross multiply
    77,615.79x = 116,340.79 × 44,264.04
  4. Step 4: Simplify right side
    77,615.79x = 5,149,712,579.17
  5. Step 5: Solve for x
    x = 5,149,712,579.17/77,615.79
  6. Step 6: Final answer
    x = 66,348.78

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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.