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Finding the Fourth Proportional to 187,564.80, 281,150.88 and 134,945.76

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Solution

The fourth proportional to 187,564.80, 281,150.88 and 134,945.76 is: 202,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,564.80 : 281,150.88 = 134,945.76 : x
  2. Step 2: Convert to fraction form
    187,564.80/281,150.88 = 134,945.76/x
  3. Step 3: Cross multiply
    187,564.80x = 281,150.88 × 134,945.76
  4. Step 4: Simplify right side
    187,564.80x = 37,940,119,176.27
  5. Step 5: Solve for x
    x = 37,940,119,176.27/187,564.80
  6. Step 6: Final answer
    x = 202,277.40

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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.