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Finding the Fourth Proportional to 78,803.71, 108,744.69 and 44,820.46

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Solution

The fourth proportional to 78,803.71, 108,744.69 and 44,820.46 is: 61,849.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,803.71 : 108,744.69 = 44,820.46 : x
  2. Step 2: Convert to fraction form
    78,803.71/108,744.69 = 44,820.46/x
  3. Step 3: Cross multiply
    78,803.71x = 108,744.69 × 44,820.46
  4. Step 4: Simplify right side
    78,803.71x = 4,873,987,028.36
  5. Step 5: Solve for x
    x = 4,873,987,028.36/78,803.71
  6. Step 6: Final answer
    x = 61,849.72

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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.