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Finding the Fourth Proportional to 79,522.47, 109,738.79 and 43,707.58

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Solution

The fourth proportional to 79,522.47, 109,738.79 and 43,707.58 is: 60,315.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,522.47 : 109,738.79 = 43,707.58 : x
  2. Step 2: Convert to fraction form
    79,522.47/109,738.79 = 43,707.58/x
  3. Step 3: Cross multiply
    79,522.47x = 109,738.79 × 43,707.58
  4. Step 4: Simplify right side
    79,522.47x = 4,796,416,943.03
  5. Step 5: Solve for x
    x = 4,796,416,943.03/79,522.47
  6. Step 6: Final answer
    x = 60,315.24

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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.