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Finding the Fourth Proportional to 73,473.36, 101,393.64 and 43,260

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Solution

The fourth proportional to 73,473.36, 101,393.64 and 43,260 is: 59,699.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,473.36 : 101,393.64 = 43,260 : x
  2. Step 2: Convert to fraction form
    73,473.36/101,393.64 = 43,260/x
  3. Step 3: Cross multiply
    73,473.36x = 101,393.64 × 43,260
  4. Step 4: Simplify right side
    73,473.36x = 4,386,288,866.40
  5. Step 5: Solve for x
    x = 4,386,288,866.40/73,473.36
  6. Step 6: Final answer
    x = 59,699.04

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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.