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Finding the Fourth Proportional to 317,370.51, 476,057.52 and 80,713.35

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Solution

The fourth proportional to 317,370.51, 476,057.52 and 80,713.35 is: 121,070.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,370.51 : 476,057.52 = 80,713.35 : x
  2. Step 2: Convert to fraction form
    317,370.51/476,057.52 = 80,713.35/x
  3. Step 3: Cross multiply
    317,370.51x = 476,057.52 × 80,713.35
  4. Step 4: Simplify right side
    317,370.51x = 38,424,197,231.89
  5. Step 5: Solve for x
    x = 38,424,197,231.89/317,370.51
  6. Step 6: Final answer
    x = 121,070.47

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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.