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Finding the Fourth Proportional to 98,300.89, 135,374.49 and 88,527.13

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Solution

The fourth proportional to 98,300.89, 135,374.49 and 88,527.13 is: 121,914.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,300.89 : 135,374.49 = 88,527.13 : x
  2. Step 2: Convert to fraction form
    98,300.89/135,374.49 = 88,527.13/x
  3. Step 3: Cross multiply
    98,300.89x = 135,374.49 × 88,527.13
  4. Step 4: Simplify right side
    98,300.89x = 11,984,314,736.48
  5. Step 5: Solve for x
    x = 11,984,314,736.48/98,300.89
  6. Step 6: Final answer
    x = 121,914.61

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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.