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Finding the Fourth Proportional to 73,730.63, 101,719.38 and 45,387.11

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Solution

The fourth proportional to 73,730.63, 101,719.38 and 45,387.11 is: 62,616.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,730.63 : 101,719.38 = 45,387.11 : x
  2. Step 2: Convert to fraction form
    73,730.63/101,719.38 = 45,387.11/x
  3. Step 3: Cross multiply
    73,730.63x = 101,719.38 × 45,387.11
  4. Step 4: Simplify right side
    73,730.63x = 4,616,748,180.59
  5. Step 5: Solve for x
    x = 4,616,748,180.59/73,730.63
  6. Step 6: Final answer
    x = 62,616.43

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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.