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Finding the Fourth Proportional to 317,458.64, 476,158.79 and 107,098.40

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Solution

The fourth proportional to 317,458.64, 476,158.79 and 107,098.40 is: 160,637.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,458.64 : 476,158.79 = 107,098.40 : x
  2. Step 2: Convert to fraction form
    317,458.64/476,158.79 = 107,098.40/x
  3. Step 3: Cross multiply
    317,458.64x = 476,158.79 × 107,098.40
  4. Step 4: Simplify right side
    317,458.64x = 50,995,842,441.89
  5. Step 5: Solve for x
    x = 50,995,842,441.89/317,458.64
  6. Step 6: Final answer
    x = 160,637.76

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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.