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Finding the Fourth Proportional to 317,923.99, 476,959.85 and 93,275.35

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Solution

The fourth proportional to 317,923.99, 476,959.85 and 93,275.35 is: 139,934.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,923.99 : 476,959.85 = 93,275.35 : x
  2. Step 2: Convert to fraction form
    317,923.99/476,959.85 = 93,275.35/x
  3. Step 3: Cross multiply
    317,923.99x = 476,959.85 × 93,275.35
  4. Step 4: Simplify right side
    317,923.99x = 44,488,596,944.70
  5. Step 5: Solve for x
    x = 44,488,596,944.70/317,923.99
  6. Step 6: Final answer
    x = 139,934.70

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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.