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Finding the Fourth Proportional to 185,483.16, 255,972.56 and 104,909.11

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Solution

The fourth proportional to 185,483.16, 255,972.56 and 104,909.11 is: 144,777.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,483.16 : 255,972.56 = 104,909.11 : x
  2. Step 2: Convert to fraction form
    185,483.16/255,972.56 = 104,909.11/x
  3. Step 3: Cross multiply
    185,483.16x = 255,972.56 × 104,909.11
  4. Step 4: Simplify right side
    185,483.16x = 26,853,852,289.54
  5. Step 5: Solve for x
    x = 26,853,852,289.54/185,483.16
  6. Step 6: Final answer
    x = 144,777.85

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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.