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Finding the Fourth Proportional to 269,060.61, 403,496.40 and 79,470.39

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Solution

The fourth proportional to 269,060.61, 403,496.40 and 79,470.39 is: 119,177.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,060.61 : 403,496.40 = 79,470.39 : x
  2. Step 2: Convert to fraction form
    269,060.61/403,496.40 = 79,470.39/x
  3. Step 3: Cross multiply
    269,060.61x = 403,496.40 × 79,470.39
  4. Step 4: Simplify right side
    269,060.61x = 32,066,016,271.60
  5. Step 5: Solve for x
    x = 32,066,016,271.60/269,060.61
  6. Step 6: Final answer
    x = 119,177.67

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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.