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Finding the Fourth Proportional to 98,077.48, 135,089.10 and 75,373.00

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Solution

The fourth proportional to 98,077.48, 135,089.10 and 75,373.00 is: 103,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,077.48 : 135,089.10 = 75,373.00 : x
  2. Step 2: Convert to fraction form
    98,077.48/135,089.10 = 75,373.00/x
  3. Step 3: Cross multiply
    98,077.48x = 135,089.10 × 75,373.00
  4. Step 4: Simplify right side
    98,077.48x = 10,182,070,396.58
  5. Step 5: Solve for x
    x = 10,182,070,396.58/98,077.48
  6. Step 6: Final answer
    x = 103,816.60

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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.