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Finding the Fourth Proportional to 317,722.16, 476,648.87 and 93,089.91

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Solution

The fourth proportional to 317,722.16, 476,648.87 and 93,089.91 is: 139,654.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,722.16 : 476,648.87 = 93,089.91 : x
  2. Step 2: Convert to fraction form
    317,722.16/476,648.87 = 93,089.91/x
  3. Step 3: Cross multiply
    317,722.16x = 476,648.87 × 93,089.91
  4. Step 4: Simplify right side
    317,722.16x = 44,371,199,944.45
  5. Step 5: Solve for x
    x = 44,371,199,944.45/317,722.16
  6. Step 6: Final answer
    x = 139,654.09

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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.