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Finding the Fourth Proportional to 176,983.20, 265,474.80 and 83,671.20

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Solution

The fourth proportional to 176,983.20, 265,474.80 and 83,671.20 is: 125,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,983.20 : 265,474.80 = 83,671.20 : x
  2. Step 2: Convert to fraction form
    176,983.20/265,474.80 = 83,671.20/x
  3. Step 3: Cross multiply
    176,983.20x = 265,474.80 × 83,671.20
  4. Step 4: Simplify right side
    176,983.20x = 22,212,595,085.76
  5. Step 5: Solve for x
    x = 22,212,595,085.76/176,983.20
  6. Step 6: Final answer
    x = 125,506.80

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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.