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Finding the Fourth Proportional to 317,125.55, 475,758.30 and 92,503.57

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Solution

The fourth proportional to 317,125.55, 475,758.30 and 92,503.57 is: 138,775.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,125.55 : 475,758.30 = 92,503.57 : x
  2. Step 2: Convert to fraction form
    317,125.55/475,758.30 = 92,503.57/x
  3. Step 3: Cross multiply
    317,125.55x = 475,758.30 × 92,503.57
  4. Step 4: Simplify right side
    317,125.55x = 44,009,338,828.34
  5. Step 5: Solve for x
    x = 44,009,338,828.34/317,125.55
  6. Step 6: Final answer
    x = 138,775.76

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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.