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Finding the Fourth Proportional to 201,876.02, 278,425.32 and 177,624.62

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Solution

The fourth proportional to 201,876.02, 278,425.32 and 177,624.62 is: 244,978.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,876.02 : 278,425.32 = 177,624.62 : x
  2. Step 2: Convert to fraction form
    201,876.02/278,425.32 = 177,624.62/x
  3. Step 3: Cross multiply
    201,876.02x = 278,425.32 × 177,624.62
  4. Step 4: Simplify right side
    201,876.02x = 49,455,191,663.38
  5. Step 5: Solve for x
    x = 49,455,191,663.38/201,876.02
  6. Step 6: Final answer
    x = 244,978.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.