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Finding the Fourth Proportional to 175,425.20, 262,921.80 and 119,265.20

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Solution

The fourth proportional to 175,425.20, 262,921.80 and 119,265.20 is: 178,750.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,425.20 : 262,921.80 = 119,265.20 : x
  2. Step 2: Convert to fraction form
    175,425.20/262,921.80 = 119,265.20/x
  3. Step 3: Cross multiply
    175,425.20x = 262,921.80 × 119,265.20
  4. Step 4: Simplify right side
    175,425.20x = 31,357,421,061.36
  5. Step 5: Solve for x
    x = 31,357,421,061.36/175,425.20
  6. Step 6: Final answer
    x = 178,750.95

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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.