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Finding the Fourth Proportional to 317,410.92, 476,152.50 and 115,102.32

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Solution

The fourth proportional to 317,410.92, 476,152.50 and 115,102.32 is: 172,666.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,410.92 : 476,152.50 = 115,102.32 : x
  2. Step 2: Convert to fraction form
    317,410.92/476,152.50 = 115,102.32/x
  3. Step 3: Cross multiply
    317,410.92x = 476,152.50 × 115,102.32
  4. Step 4: Simplify right side
    317,410.92x = 54,806,257,423.80
  5. Step 5: Solve for x
    x = 54,806,257,423.80/317,410.92
  6. Step 6: Final answer
    x = 172,666.58

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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.