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Finding the Fourth Proportional to 131,955.20, 182,094.72 and 71,523.20

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Solution

The fourth proportional to 131,955.20, 182,094.72 and 71,523.20 is: 98,700.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,955.20 : 182,094.72 = 71,523.20 : x
  2. Step 2: Convert to fraction form
    131,955.20/182,094.72 = 71,523.20/x
  3. Step 3: Cross multiply
    131,955.20x = 182,094.72 × 71,523.20
  4. Step 4: Simplify right side
    131,955.20x = 13,023,997,077.50
  5. Step 5: Solve for x
    x = 13,023,997,077.50/131,955.20
  6. Step 6: Final answer
    x = 98,700.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.