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Finding the Fourth Proportional to 73,866.60, 101,944.44 and 42,041.16

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Solution

The fourth proportional to 73,866.60, 101,944.44 and 42,041.16 is: 58,021.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,866.60 : 101,944.44 = 42,041.16 : x
  2. Step 2: Convert to fraction form
    73,866.60/101,944.44 = 42,041.16/x
  3. Step 3: Cross multiply
    73,866.60x = 101,944.44 × 42,041.16
  4. Step 4: Simplify right side
    73,866.60x = 4,285,862,513.15
  5. Step 5: Solve for x
    x = 4,285,862,513.15/73,866.60
  6. Step 6: Final answer
    x = 58,021.66

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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.