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Finding the Fourth Proportional to 110,894.49, 153,034.24 and 63,147.85

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Solution

The fourth proportional to 110,894.49, 153,034.24 and 63,147.85 is: 87,143.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,894.49 : 153,034.24 = 63,147.85 : x
  2. Step 2: Convert to fraction form
    110,894.49/153,034.24 = 63,147.85/x
  3. Step 3: Cross multiply
    110,894.49x = 153,034.24 × 63,147.85
  4. Step 4: Simplify right side
    110,894.49x = 9,663,783,232.38
  5. Step 5: Solve for x
    x = 9,663,783,232.38/110,894.49
  6. Step 6: Final answer
    x = 87,143.94

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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.