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Finding the Fourth Proportional to 104,616.71, 144,386.84 and 63,804.52

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Solution

The fourth proportional to 104,616.71, 144,386.84 and 63,804.52 is: 88,059.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,616.71 : 144,386.84 = 63,804.52 : x
  2. Step 2: Convert to fraction form
    104,616.71/144,386.84 = 63,804.52/x
  3. Step 3: Cross multiply
    104,616.71x = 144,386.84 × 63,804.52
  4. Step 4: Simplify right side
    104,616.71x = 9,212,532,819.06
  5. Step 5: Solve for x
    x = 9,212,532,819.06/104,616.71
  6. Step 6: Final answer
    x = 88,059.86

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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.