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Finding the Fourth Proportional to 73,079.58, 109,662.36 and 46,424.41

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Solution

The fourth proportional to 73,079.58, 109,662.36 and 46,424.41 is: 69,663.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,079.58 : 109,662.36 = 46,424.41 : x
  2. Step 2: Convert to fraction form
    73,079.58/109,662.36 = 46,424.41/x
  3. Step 3: Cross multiply
    73,079.58x = 109,662.36 × 46,424.41
  4. Step 4: Simplify right side
    73,079.58x = 5,091,009,913.96
  5. Step 5: Solve for x
    x = 5,091,009,913.96/73,079.58
  6. Step 6: Final answer
    x = 69,663.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.