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Finding the Fourth Proportional to 98,057.44, 146,788.74 and 88,701.40

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Solution

The fourth proportional to 98,057.44, 146,788.74 and 88,701.40 is: 132,783.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,057.44 : 146,788.74 = 88,701.40 : x
  2. Step 2: Convert to fraction form
    98,057.44/146,788.74 = 88,701.40/x
  3. Step 3: Cross multiply
    98,057.44x = 146,788.74 × 88,701.40
  4. Step 4: Simplify right side
    98,057.44x = 13,020,366,742.24
  5. Step 5: Solve for x
    x = 13,020,366,742.24/98,057.44
  6. Step 6: Final answer
    x = 132,783.06

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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.