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Finding the Fourth Proportional to 265,473.64, 398,278.44 and 88,030.18

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Solution

The fourth proportional to 265,473.64, 398,278.44 and 88,030.18 is: 132,067.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,473.64 : 398,278.44 = 88,030.18 : x
  2. Step 2: Convert to fraction form
    265,473.64/398,278.44 = 88,030.18/x
  3. Step 3: Cross multiply
    265,473.64x = 398,278.44 × 88,030.18
  4. Step 4: Simplify right side
    265,473.64x = 35,060,522,763.32
  5. Step 5: Solve for x
    x = 35,060,522,763.32/265,473.64
  6. Step 6: Final answer
    x = 132,067.81

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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.