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Finding the Fourth Proportional to 77,425.84, 116,110.89 and 26,811.16

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Solution

The fourth proportional to 77,425.84, 116,110.89 and 26,811.16 is: 40,207.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,425.84 : 116,110.89 = 26,811.16 : x
  2. Step 2: Convert to fraction form
    77,425.84/116,110.89 = 26,811.16/x
  3. Step 3: Cross multiply
    77,425.84x = 116,110.89 × 26,811.16
  4. Step 4: Simplify right side
    77,425.84x = 3,113,067,649.53
  5. Step 5: Solve for x
    x = 3,113,067,649.53/77,425.84
  6. Step 6: Final answer
    x = 40,207.09

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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.