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Finding the Fourth Proportional to 110,307.47, 165,315.80 and 43,711.27

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Solution

The fourth proportional to 110,307.47, 165,315.80 and 43,711.27 is: 65,509.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,307.47 : 165,315.80 = 43,711.27 : x
  2. Step 2: Convert to fraction form
    110,307.47/165,315.80 = 43,711.27/x
  3. Step 3: Cross multiply
    110,307.47x = 165,315.80 × 43,711.27
  4. Step 4: Simplify right side
    110,307.47x = 7,226,163,569.07
  5. Step 5: Solve for x
    x = 7,226,163,569.07/110,307.47
  6. Step 6: Final answer
    x = 65,509.29

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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.