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Finding the Fourth Proportional to 60,530.40, 90,752.40 and 34,243.20

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Solution

The fourth proportional to 60,530.40, 90,752.40 and 34,243.20 is: 51,340.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,530.40 : 90,752.40 = 34,243.20 : x
  2. Step 2: Convert to fraction form
    60,530.40/90,752.40 = 34,243.20/x
  3. Step 3: Cross multiply
    60,530.40x = 90,752.40 × 34,243.20
  4. Step 4: Simplify right side
    60,530.40x = 3,107,652,583.68
  5. Step 5: Solve for x
    x = 3,107,652,583.68/60,530.40
  6. Step 6: Final answer
    x = 51,340.36

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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.