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Finding the Fourth Proportional to 201,552.30, 278,256.90 and 133,660.94

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Solution

The fourth proportional to 201,552.30, 278,256.90 and 133,660.94 is: 184,528.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,552.30 : 278,256.90 = 133,660.94 : x
  2. Step 2: Convert to fraction form
    201,552.30/278,256.90 = 133,660.94/x
  3. Step 3: Cross multiply
    201,552.30x = 278,256.90 × 133,660.94
  4. Step 4: Simplify right side
    201,552.30x = 37,192,077,424.20
  5. Step 5: Solve for x
    x = 37,192,077,424.20/201,552.30
  6. Step 6: Final answer
    x = 184,528.17

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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.