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Finding the Fourth Proportional to 176,900.78, 244,142.55 and 108,904.11

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Solution

The fourth proportional to 176,900.78, 244,142.55 and 108,904.11 is: 150,299.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,900.78 : 244,142.55 = 108,904.11 : x
  2. Step 2: Convert to fraction form
    176,900.78/244,142.55 = 108,904.11/x
  3. Step 3: Cross multiply
    176,900.78x = 244,142.55 × 108,904.11
  4. Step 4: Simplify right side
    176,900.78x = 26,588,127,120.88
  5. Step 5: Solve for x
    x = 26,588,127,120.88/176,900.78
  6. Step 6: Final answer
    x = 150,299.66

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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.