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Finding the Fourth Proportional to 77,049.04, 106,329.78 and 43,515.04

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Solution

The fourth proportional to 77,049.04, 106,329.78 and 43,515.04 is: 60,051.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,049.04 : 106,329.78 = 43,515.04 : x
  2. Step 2: Convert to fraction form
    77,049.04/106,329.78 = 43,515.04/x
  3. Step 3: Cross multiply
    77,049.04x = 106,329.78 × 43,515.04
  4. Step 4: Simplify right side
    77,049.04x = 4,626,944,629.89
  5. Step 5: Solve for x
    x = 4,626,944,629.89/77,049.04
  6. Step 6: Final answer
    x = 60,051.94

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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.