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Finding the Fourth Proportional to 201,448.92, 278,114.41 and 133,557.85

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Solution

The fourth proportional to 201,448.92, 278,114.41 and 133,557.85 is: 184,386.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,448.92 : 278,114.41 = 133,557.85 : x
  2. Step 2: Convert to fraction form
    201,448.92/278,114.41 = 133,557.85/x
  3. Step 3: Cross multiply
    201,448.92x = 278,114.41 × 133,557.85
  4. Step 4: Simplify right side
    201,448.92x = 37,144,363,168.21
  5. Step 5: Solve for x
    x = 37,144,363,168.21/201,448.92
  6. Step 6: Final answer
    x = 184,386.01

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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.