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Finding the Fourth Proportional to 316,252.32, 474,349.08 and 88,568.52

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Solution

The fourth proportional to 316,252.32, 474,349.08 and 88,568.52 is: 132,844.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,252.32 : 474,349.08 = 88,568.52 : x
  2. Step 2: Convert to fraction form
    316,252.32/474,349.08 = 88,568.52/x
  3. Step 3: Cross multiply
    316,252.32x = 474,349.08 × 88,568.52
  4. Step 4: Simplify right side
    316,252.32x = 42,012,395,978.96
  5. Step 5: Solve for x
    x = 42,012,395,978.96/316,252.32
  6. Step 6: Final answer
    x = 132,844.55

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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.