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Finding the Fourth Proportional to 317,196.15, 475,794.95 and 106,981.71

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Solution

The fourth proportional to 317,196.15, 475,794.95 and 106,981.71 is: 160,472.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,196.15 : 475,794.95 = 106,981.71 : x
  2. Step 2: Convert to fraction form
    317,196.15/475,794.95 = 106,981.71/x
  3. Step 3: Cross multiply
    317,196.15x = 475,794.95 × 106,981.71
  4. Step 4: Simplify right side
    317,196.15x = 50,901,356,825.46
  5. Step 5: Solve for x
    x = 50,901,356,825.46/317,196.15
  6. Step 6: Final answer
    x = 160,472.81

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1.5x scale

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.