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Finding the Fourth Proportional to 98,655.36, 136,113.36 and 60,375

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Solution

The fourth proportional to 98,655.36, 136,113.36 and 60,375 is: 83,298.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,655.36 : 136,113.36 = 60,375 : x
  2. Step 2: Convert to fraction form
    98,655.36/136,113.36 = 60,375/x
  3. Step 3: Cross multiply
    98,655.36x = 136,113.36 × 60,375
  4. Step 4: Simplify right side
    98,655.36x = 8,217,844,110.00
  5. Step 5: Solve for x
    x = 8,217,844,110.00/98,655.36
  6. Step 6: Final answer
    x = 83,298.51

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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.