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Finding the Fourth Proportional to 176,354, 243,370.31 and 95,783.10

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Solution

The fourth proportional to 176,354, 243,370.31 and 95,783.10 is: 132,181.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,354 : 243,370.31 = 95,783.10 : x
  2. Step 2: Convert to fraction form
    176,354/243,370.31 = 95,783.10/x
  3. Step 3: Cross multiply
    176,354x = 243,370.31 × 95,783.10
  4. Step 4: Simplify right side
    176,354x = 23,310,762,739.76
  5. Step 5: Solve for x
    x = 23,310,762,739.76/176,354
  6. Step 6: Final answer
    x = 132,181.65

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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.