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Finding the Fourth Proportional to 98,818, 148,242.36 and 33,169.36

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Solution

The fourth proportional to 98,818, 148,242.36 and 33,169.36 is: 49,759.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,818 : 148,242.36 = 33,169.36 : x
  2. Step 2: Convert to fraction form
    98,818/148,242.36 = 33,169.36/x
  3. Step 3: Cross multiply
    98,818x = 148,242.36 × 33,169.36
  4. Step 4: Simplify right side
    98,818x = 4,917,104,206.09
  5. Step 5: Solve for x
    x = 4,917,104,206.09/98,818
  6. Step 6: Final answer
    x = 49,759.20

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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.