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Finding the Fourth Proportional to 77,416.41, 106,711.20 and 58,267.41

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Solution

The fourth proportional to 77,416.41, 106,711.20 and 58,267.41 is: 80,316.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,416.41 : 106,711.20 = 58,267.41 : x
  2. Step 2: Convert to fraction form
    77,416.41/106,711.20 = 58,267.41/x
  3. Step 3: Cross multiply
    77,416.41x = 106,711.20 × 58,267.41
  4. Step 4: Simplify right side
    77,416.41x = 6,217,785,241.99
  5. Step 5: Solve for x
    x = 6,217,785,241.99/77,416.41
  6. Step 6: Final answer
    x = 80,316.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.