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Finding the Fourth Proportional to 77,730.74, 107,267.72 and 44,196.74

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Solution

The fourth proportional to 77,730.74, 107,267.72 and 44,196.74 is: 60,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,730.74 : 107,267.72 = 44,196.74 : x
  2. Step 2: Convert to fraction form
    77,730.74/107,267.72 = 44,196.74/x
  3. Step 3: Cross multiply
    77,730.74x = 107,267.72 × 44,196.74
  4. Step 4: Simplify right side
    77,730.74x = 4,740,882,773.91
  5. Step 5: Solve for x
    x = 4,740,882,773.91/77,730.74
  6. Step 6: Final answer
    x = 60,991.10

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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.