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Finding the Fourth Proportional to 317,211.85, 475,809.86 and 92,574.23

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Solution

The fourth proportional to 317,211.85, 475,809.86 and 92,574.23 is: 138,859.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,211.85 : 475,809.86 = 92,574.23 : x
  2. Step 2: Convert to fraction form
    317,211.85/475,809.86 = 92,574.23/x
  3. Step 3: Cross multiply
    317,211.85x = 475,809.86 × 92,574.23
  4. Step 4: Simplify right side
    317,211.85x = 44,047,731,415.91
  5. Step 5: Solve for x
    x = 44,047,731,415.91/317,211.85
  6. Step 6: Final answer
    x = 138,859.04

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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.