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Finding the Fourth Proportional to 79,681.59, 119,596.23 and 40,266.45

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Solution

The fourth proportional to 79,681.59, 119,596.23 and 40,266.45 is: 60,436.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,681.59 : 119,596.23 = 40,266.45 : x
  2. Step 2: Convert to fraction form
    79,681.59/119,596.23 = 40,266.45/x
  3. Step 3: Cross multiply
    79,681.59x = 119,596.23 × 40,266.45
  4. Step 4: Simplify right side
    79,681.59x = 4,815,715,615.48
  5. Step 5: Solve for x
    x = 4,815,715,615.48/79,681.59
  6. Step 6: Final answer
    x = 60,436.99

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1.5x scale

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.