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Finding the Fourth Proportional to 354,847.64, 532,268.72 and 88,606.36

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Solution

The fourth proportional to 354,847.64, 532,268.72 and 88,606.36 is: 132,908.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,847.64 : 532,268.72 = 88,606.36 : x
  2. Step 2: Convert to fraction form
    354,847.64/532,268.72 = 88,606.36/x
  3. Step 3: Cross multiply
    354,847.64x = 532,268.72 × 88,606.36
  4. Step 4: Simplify right side
    354,847.64x = 47,162,391,381.63
  5. Step 5: Solve for x
    x = 47,162,391,381.63/354,847.64
  6. Step 6: Final answer
    x = 132,908.85

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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.