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Finding the Fourth Proportional to 73,781.04, 101,807.56 and 41,946.42

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Solution

The fourth proportional to 73,781.04, 101,807.56 and 41,946.42 is: 57,880.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,781.04 : 101,807.56 = 41,946.42 : x
  2. Step 2: Convert to fraction form
    73,781.04/101,807.56 = 41,946.42/x
  3. Step 3: Cross multiply
    73,781.04x = 101,807.56 × 41,946.42
  4. Step 4: Simplify right side
    73,781.04x = 4,270,462,670.94
  5. Step 5: Solve for x
    x = 4,270,462,670.94/73,781.04
  6. Step 6: Final answer
    x = 57,880.22

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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.