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Finding the Fourth Proportional to 110,307.97, 165,316.55 and 43,711.77

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Solution

The fourth proportional to 110,307.97, 165,316.55 and 43,711.77 is: 65,510.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,307.97 : 165,316.55 = 43,711.77 : x
  2. Step 2: Convert to fraction form
    110,307.97/165,316.55 = 43,711.77/x
  3. Step 3: Cross multiply
    110,307.97x = 165,316.55 × 43,711.77
  4. Step 4: Simplify right side
    110,307.97x = 7,226,279,010.79
  5. Step 5: Solve for x
    x = 7,226,279,010.79/110,307.97
  6. Step 6: Final answer
    x = 65,510.04

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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.