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Finding the Fourth Proportional to 265,682.64, 398,437.28 and 88,141.98

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Solution

The fourth proportional to 265,682.64, 398,437.28 and 88,141.98 is: 132,184.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,682.64 : 398,437.28 = 88,141.98 : x
  2. Step 2: Convert to fraction form
    265,682.64/398,437.28 = 88,141.98/x
  3. Step 3: Cross multiply
    265,682.64x = 398,437.28 × 88,141.98
  4. Step 4: Simplify right side
    265,682.64x = 35,119,050,765.01
  5. Step 5: Solve for x
    x = 35,119,050,765.01/265,682.64
  6. Step 6: Final answer
    x = 132,184.21

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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.