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Finding the Fourth Proportional to 80,030.84, 120,064.48 and 27,437.13

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Solution

The fourth proportional to 80,030.84, 120,064.48 and 27,437.13 is: 41,161.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,030.84 : 120,064.48 = 27,437.13 : x
  2. Step 2: Convert to fraction form
    80,030.84/120,064.48 = 27,437.13/x
  3. Step 3: Cross multiply
    80,030.84x = 120,064.48 × 27,437.13
  4. Step 4: Simplify right side
    80,030.84x = 3,294,224,677.55
  5. Step 5: Solve for x
    x = 3,294,224,677.55/80,030.84
  6. Step 6: Final answer
    x = 41,161.94

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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.