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Finding the Fourth Proportional to 104,802.76, 144,626.58 and 69,044.68

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Solution

The fourth proportional to 104,802.76, 144,626.58 and 69,044.68 is: 95,280.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,802.76 : 144,626.58 = 69,044.68 : x
  2. Step 2: Convert to fraction form
    104,802.76/144,626.58 = 69,044.68/x
  3. Step 3: Cross multiply
    104,802.76x = 144,626.58 × 69,044.68
  4. Step 4: Simplify right side
    104,802.76x = 9,985,695,935.59
  5. Step 5: Solve for x
    x = 9,985,695,935.59/104,802.76
  6. Step 6: Final answer
    x = 95,280.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.