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Finding the Fourth Proportional to 175,349.80, 263,132.70 and 75,557.80

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Solution

The fourth proportional to 175,349.80, 263,132.70 and 75,557.80 is: 113,383.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,349.80 : 263,132.70 = 75,557.80 : x
  2. Step 2: Convert to fraction form
    175,349.80/263,132.70 = 75,557.80/x
  3. Step 3: Cross multiply
    175,349.80x = 263,132.70 × 75,557.80
  4. Step 4: Simplify right side
    175,349.80x = 19,881,727,920.06
  5. Step 5: Solve for x
    x = 19,881,727,920.06/175,349.80
  6. Step 6: Final answer
    x = 113,383.24

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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.