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Finding the Fourth Proportional to 98,092.32, 147,132.72 and 27,969.72

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Solution

The fourth proportional to 98,092.32, 147,132.72 and 27,969.72 is: 41,952.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,092.32 : 147,132.72 = 27,969.72 : x
  2. Step 2: Convert to fraction form
    98,092.32/147,132.72 = 27,969.72/x
  3. Step 3: Cross multiply
    98,092.32x = 147,132.72 × 27,969.72
  4. Step 4: Simplify right side
    98,092.32x = 4,115,260,981.24
  5. Step 5: Solve for x
    x = 4,115,260,981.24/98,092.32
  6. Step 6: Final answer
    x = 41,952.94

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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.