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Finding the Fourth Proportional to 176,223.78, 243,189.05 and 95,651.32

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Solution

The fourth proportional to 176,223.78, 243,189.05 and 95,651.32 is: 131,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,223.78 : 243,189.05 = 95,651.32 : x
  2. Step 2: Convert to fraction form
    176,223.78/243,189.05 = 95,651.32/x
  3. Step 3: Cross multiply
    176,223.78x = 243,189.05 × 95,651.32
  4. Step 4: Simplify right side
    176,223.78x = 23,261,353,642.05
  5. Step 5: Solve for x
    x = 23,261,353,642.05/176,223.78
  6. Step 6: Final answer
    x = 131,998.95

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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.