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Finding the Fourth Proportional to 317,373.93, 476,058.84 and 80,714.57

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Solution

The fourth proportional to 317,373.93, 476,058.84 and 80,714.57 is: 121,071.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,373.93 : 476,058.84 = 80,714.57 : x
  2. Step 2: Convert to fraction form
    317,373.93/476,058.84 = 80,714.57/x
  3. Step 3: Cross multiply
    317,373.93x = 476,058.84 × 80,714.57
  4. Step 4: Simplify right side
    317,373.93x = 38,424,882,185.00
  5. Step 5: Solve for x
    x = 38,424,882,185.00/317,373.93
  6. Step 6: Final answer
    x = 121,071.32

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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.