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Finding the Fourth Proportional to 175,265.20, 262,897.80 and 48,905.20

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Solution

The fourth proportional to 175,265.20, 262,897.80 and 48,905.20 is: 73,357.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,265.20 : 262,897.80 = 48,905.20 : x
  2. Step 2: Convert to fraction form
    175,265.20/262,897.80 = 48,905.20/x
  3. Step 3: Cross multiply
    175,265.20x = 262,897.80 × 48,905.20
  4. Step 4: Simplify right side
    175,265.20x = 12,857,069,488.56
  5. Step 5: Solve for x
    x = 12,857,069,488.56/175,265.20
  6. Step 6: Final answer
    x = 73,357.80

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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.