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Finding the Fourth Proportional to 98,164.67, 135,463.48 and 59,988.08

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Solution

The fourth proportional to 98,164.67, 135,463.48 and 59,988.08 is: 82,781.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,164.67 : 135,463.48 = 59,988.08 : x
  2. Step 2: Convert to fraction form
    98,164.67/135,463.48 = 59,988.08/x
  3. Step 3: Cross multiply
    98,164.67x = 135,463.48 × 59,988.08
  4. Step 4: Simplify right side
    98,164.67x = 8,126,194,264.01
  5. Step 5: Solve for x
    x = 8,126,194,264.01/98,164.67
  6. Step 6: Final answer
    x = 82,781.25

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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.