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Finding the Fourth Proportional to 73,048.34, 100,804.38 and 42,424.88

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Solution

The fourth proportional to 73,048.34, 100,804.38 and 42,424.88 is: 58,544.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,048.34 : 100,804.38 = 42,424.88 : x
  2. Step 2: Convert to fraction form
    73,048.34/100,804.38 = 42,424.88/x
  3. Step 3: Cross multiply
    73,048.34x = 100,804.38 × 42,424.88
  4. Step 4: Simplify right side
    73,048.34x = 4,276,613,724.97
  5. Step 5: Solve for x
    x = 4,276,613,724.97/73,048.34
  6. Step 6: Final answer
    x = 58,544.98

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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.