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Finding the Fourth Proportional to 98,053.45, 146,782.77 and 88,697.41

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Solution

The fourth proportional to 98,053.45, 146,782.77 and 88,697.41 is: 132,777.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,053.45 : 146,782.77 = 88,697.41 : x
  2. Step 2: Convert to fraction form
    98,053.45/146,782.77 = 88,697.41/x
  3. Step 3: Cross multiply
    98,053.45x = 146,782.77 × 88,697.41
  4. Step 4: Simplify right side
    98,053.45x = 13,019,251,531.63
  5. Step 5: Solve for x
    x = 13,019,251,531.63/98,053.45
  6. Step 6: Final answer
    x = 132,777.09

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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.