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Finding the Fourth Proportional to 265,332.88, 398,051.87 and 75,794.89

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Solution

The fourth proportional to 265,332.88, 398,051.87 and 75,794.89 is: 113,707.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,332.88 : 398,051.87 = 75,794.89 : x
  2. Step 2: Convert to fraction form
    265,332.88/398,051.87 = 75,794.89/x
  3. Step 3: Cross multiply
    265,332.88x = 398,051.87 × 75,794.89
  4. Step 4: Simplify right side
    265,332.88x = 30,170,297,499.53
  5. Step 5: Solve for x
    x = 30,170,297,499.53/265,332.88
  6. Step 6: Final answer
    x = 113,707.35

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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.