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Finding the Fourth Proportional to 110,080.59, 165,068.85 and 42,644.22

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Solution

The fourth proportional to 110,080.59, 165,068.85 and 42,644.22 is: 63,946.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,080.59 : 165,068.85 = 42,644.22 : x
  2. Step 2: Convert to fraction form
    110,080.59/165,068.85 = 42,644.22/x
  3. Step 3: Cross multiply
    110,080.59x = 165,068.85 × 42,644.22
  4. Step 4: Simplify right side
    110,080.59x = 7,039,231,315.98
  5. Step 5: Solve for x
    x = 7,039,231,315.98/110,080.59
  6. Step 6: Final answer
    x = 63,946.16

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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.