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Finding the Fourth Proportional to 176,295.78, 243,293.40 and 95,728.56

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Solution

The fourth proportional to 176,295.78, 243,293.40 and 95,728.56 is: 132,108.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,295.78 : 243,293.40 = 95,728.56 : x
  2. Step 2: Convert to fraction form
    176,295.78/243,293.40 = 95,728.56/x
  3. Step 3: Cross multiply
    176,295.78x = 243,293.40 × 95,728.56
  4. Step 4: Simplify right side
    176,295.78x = 23,290,126,839.50
  5. Step 5: Solve for x
    x = 23,290,126,839.50/176,295.78
  6. Step 6: Final answer
    x = 132,108.25

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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.