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Finding the Fourth Proportional to 208,248.92, 312,373.38 and 50,477.38

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Solution

The fourth proportional to 208,248.92, 312,373.38 and 50,477.38 is: 75,716.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,248.92 : 312,373.38 = 50,477.38 : x
  2. Step 2: Convert to fraction form
    208,248.92/312,373.38 = 50,477.38/x
  3. Step 3: Cross multiply
    208,248.92x = 312,373.38 × 50,477.38
  4. Step 4: Simplify right side
    208,248.92x = 15,767,789,804.14
  5. Step 5: Solve for x
    x = 15,767,789,804.14/208,248.92
  6. Step 6: Final answer
    x = 75,716.07

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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.