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Finding the Fourth Proportional to 200,337.76, 300,063.60 and 137,007.76

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Solution

The fourth proportional to 200,337.76, 300,063.60 and 137,007.76 is: 205,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,337.76 : 300,063.60 = 137,007.76 : x
  2. Step 2: Convert to fraction form
    200,337.76/300,063.60 = 137,007.76/x
  3. Step 3: Cross multiply
    200,337.76x = 300,063.60 × 137,007.76
  4. Step 4: Simplify right side
    200,337.76x = 41,111,041,693.54
  5. Step 5: Solve for x
    x = 41,111,041,693.54/200,337.76
  6. Step 6: Final answer
    x = 205,208.65

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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.