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Finding the Fourth Proportional to 335,121.04, 502,761.72 and 98,458.48

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Solution

The fourth proportional to 335,121.04, 502,761.72 and 98,458.48 is: 147,711.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,121.04 : 502,761.72 = 98,458.48 : x
  2. Step 2: Convert to fraction form
    335,121.04/502,761.72 = 98,458.48/x
  3. Step 3: Cross multiply
    335,121.04x = 502,761.72 × 98,458.48
  4. Step 4: Simplify right side
    335,121.04x = 49,501,154,753.39
  5. Step 5: Solve for x
    x = 49,501,154,753.39/335,121.04
  6. Step 6: Final answer
    x = 147,711.27

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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.