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Finding the Fourth Proportional to 188,909.52, 260,689.44 and 104,027.04

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Solution

The fourth proportional to 188,909.52, 260,689.44 and 104,027.04 is: 143,554.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,909.52 : 260,689.44 = 104,027.04 : x
  2. Step 2: Convert to fraction form
    188,909.52/260,689.44 = 104,027.04/x
  3. Step 3: Cross multiply
    188,909.52x = 260,689.44 × 104,027.04
  4. Step 4: Simplify right side
    188,909.52x = 27,118,750,802.46
  5. Step 5: Solve for x
    x = 27,118,750,802.46/188,909.52
  6. Step 6: Final answer
    x = 143,554.18

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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.