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Finding the Fourth Proportional to 113,310.98, 170,641.00 and 98,696.42

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Solution

The fourth proportional to 113,310.98, 170,641.00 and 98,696.42 is: 148,632.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,310.98 : 170,641.00 = 98,696.42 : x
  2. Step 2: Convert to fraction form
    113,310.98/170,641.00 = 98,696.42/x
  3. Step 3: Cross multiply
    113,310.98x = 170,641.00 × 98,696.42
  4. Step 4: Simplify right side
    113,310.98x = 16,841,654,705.27
  5. Step 5: Solve for x
    x = 16,841,654,705.27/113,310.98
  6. Step 6: Final answer
    x = 148,632.16

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.