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Finding the Fourth Proportional to 295,786.93, 443,502.67 and 115,657.76

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Solution

The fourth proportional to 295,786.93, 443,502.67 and 115,657.76 is: 173,417.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,786.93 : 443,502.67 = 115,657.76 : x
  2. Step 2: Convert to fraction form
    295,786.93/443,502.67 = 115,657.76/x
  3. Step 3: Cross multiply
    295,786.93x = 443,502.67 × 115,657.76
  4. Step 4: Simplify right side
    295,786.93x = 51,294,524,739.55
  5. Step 5: Solve for x
    x = 51,294,524,739.55/295,786.93
  6. Step 6: Final answer
    x = 173,417.15

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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.