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Finding the Fourth Proportional to 98,853.98, 148,250.28 and 35,665.88

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Solution

The fourth proportional to 98,853.98, 148,250.28 and 35,665.88 is: 53,487.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,853.98 : 148,250.28 = 35,665.88 : x
  2. Step 2: Convert to fraction form
    98,853.98/148,250.28 = 35,665.88/x
  3. Step 3: Cross multiply
    98,853.98x = 148,250.28 × 35,665.88
  4. Step 4: Simplify right side
    98,853.98x = 5,287,475,955.20
  5. Step 5: Solve for x
    x = 5,287,475,955.20/98,853.98
  6. Step 6: Final answer
    x = 53,487.74

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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.