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Finding the Fourth Proportional to 168,327.90, 252,783.45 and 89,595.90

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Solution

The fourth proportional to 168,327.90, 252,783.45 and 89,595.90 is: 134,549.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,327.90 : 252,783.45 = 89,595.90 : x
  2. Step 2: Convert to fraction form
    168,327.90/252,783.45 = 89,595.90/x
  3. Step 3: Cross multiply
    168,327.90x = 252,783.45 × 89,595.90
  4. Step 4: Simplify right side
    168,327.90x = 22,648,360,707.86
  5. Step 5: Solve for x
    x = 22,648,360,707.86/168,327.90
  6. Step 6: Final answer
    x = 134,549.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.