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Finding the Fourth Proportional to 98,055.45, 146,785.77 and 88,699.41

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Solution

The fourth proportional to 98,055.45, 146,785.77 and 88,699.41 is: 132,780.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,055.45 : 146,785.77 = 88,699.41 : x
  2. Step 2: Convert to fraction form
    98,055.45/146,785.77 = 88,699.41/x
  3. Step 3: Cross multiply
    98,055.45x = 146,785.77 × 88,699.41
  4. Step 4: Simplify right side
    98,055.45x = 13,019,811,195.40
  5. Step 5: Solve for x
    x = 13,019,811,195.40/98,055.45
  6. Step 6: Final answer
    x = 132,780.09

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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.