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Finding the Fourth Proportional to 317,124.55, 475,756.80 and 92,502.56

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Solution

The fourth proportional to 317,124.55, 475,756.80 and 92,502.56 is: 138,774.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,124.55 : 475,756.80 = 92,502.56 : x
  2. Step 2: Convert to fraction form
    317,124.55/475,756.80 = 92,502.56/x
  3. Step 3: Cross multiply
    317,124.55x = 475,756.80 × 92,502.56
  4. Step 4: Simplify right side
    317,124.55x = 44,008,720,995.83
  5. Step 5: Solve for x
    x = 44,008,720,995.83/317,124.55
  6. Step 6: Final answer
    x = 138,774.25

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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.