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Finding the Fourth Proportional to 77,304.93, 106,678.58 and 45,046.68

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Solution

The fourth proportional to 77,304.93, 106,678.58 and 45,046.68 is: 62,163.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,304.93 : 106,678.58 = 45,046.68 : x
  2. Step 2: Convert to fraction form
    77,304.93/106,678.58 = 45,046.68/x
  3. Step 3: Cross multiply
    77,304.93x = 106,678.58 × 45,046.68
  4. Step 4: Simplify right side
    77,304.93x = 4,805,515,630.88
  5. Step 5: Solve for x
    x = 4,805,515,630.88/77,304.93
  6. Step 6: Final answer
    x = 62,163.12

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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.