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Finding the Fourth Proportional to 317,247.47, 475,904.01 and 106,901.81

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Solution

The fourth proportional to 317,247.47, 475,904.01 and 106,901.81 is: 160,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,247.47 : 475,904.01 = 106,901.81 : x
  2. Step 2: Convert to fraction form
    317,247.47/475,904.01 = 106,901.81/x
  3. Step 3: Cross multiply
    317,247.47x = 475,904.01 × 106,901.81
  4. Step 4: Simplify right side
    317,247.47x = 50,874,997,675.74
  5. Step 5: Solve for x
    x = 50,874,997,675.74/317,247.47
  6. Step 6: Final answer
    x = 160,363.76

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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.