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Finding the Fourth Proportional to 77,016.96, 106,284.96 and 43,476.48

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Solution

The fourth proportional to 77,016.96, 106,284.96 and 43,476.48 is: 59,998.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,016.96 : 106,284.96 = 43,476.48 : x
  2. Step 2: Convert to fraction form
    77,016.96/106,284.96 = 43,476.48/x
  3. Step 3: Cross multiply
    77,016.96x = 106,284.96 × 43,476.48
  4. Step 4: Simplify right side
    77,016.96x = 4,620,895,937.74
  5. Step 5: Solve for x
    x = 4,620,895,937.74/77,016.96
  6. Step 6: Final answer
    x = 59,998.42

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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.