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Finding the Fourth Proportional to 78,807.93, 108,754.41 and 44,816.43

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Solution

The fourth proportional to 78,807.93, 108,754.41 and 44,816.43 is: 61,846.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,807.93 : 108,754.41 = 44,816.43 : x
  2. Step 2: Convert to fraction form
    78,807.93/108,754.41 = 44,816.43/x
  3. Step 3: Cross multiply
    78,807.93x = 108,754.41 × 44,816.43
  4. Step 4: Simplify right side
    78,807.93x = 4,873,984,402.96
  5. Step 5: Solve for x
    x = 4,873,984,402.96/78,807.93
  6. Step 6: Final answer
    x = 61,846.37

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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.