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Finding the Fourth Proportional to 201,458.92, 278,007.48 and 110,814.88

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Solution

The fourth proportional to 201,458.92, 278,007.48 and 110,814.88 is: 152,921.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,458.92 : 278,007.48 = 110,814.88 : x
  2. Step 2: Convert to fraction form
    201,458.92/278,007.48 = 110,814.88/x
  3. Step 3: Cross multiply
    201,458.92x = 278,007.48 × 110,814.88
  4. Step 4: Simplify right side
    201,458.92x = 30,807,365,535.30
  5. Step 5: Solve for x
    x = 30,807,365,535.30/201,458.92
  6. Step 6: Final answer
    x = 152,921.33

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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.