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Finding the Fourth Proportional to 335,397.76, 503,146.04 and 110,781.52

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Solution

The fourth proportional to 335,397.76, 503,146.04 and 110,781.52 is: 166,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,397.76 : 503,146.04 = 110,781.52 : x
  2. Step 2: Convert to fraction form
    335,397.76/503,146.04 = 110,781.52/x
  3. Step 3: Cross multiply
    335,397.76x = 503,146.04 × 110,781.52
  4. Step 4: Simplify right side
    335,397.76x = 55,739,283,093.18
  5. Step 5: Solve for x
    x = 55,739,283,093.18/335,397.76
  6. Step 6: Final answer
    x = 166,188.60

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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.