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Finding the Fourth Proportional to 73,888.13, 101,966.26 and 42,059.07

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Solution

The fourth proportional to 73,888.13, 101,966.26 and 42,059.07 is: 58,041.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,888.13 : 101,966.26 = 42,059.07 : x
  2. Step 2: Convert to fraction form
    73,888.13/101,966.26 = 42,059.07/x
  3. Step 3: Cross multiply
    73,888.13x = 101,966.26 × 42,059.07
  4. Step 4: Simplify right side
    73,888.13x = 4,288,606,066.98
  5. Step 5: Solve for x
    x = 4,288,606,066.98/73,888.13
  6. Step 6: Final answer
    x = 58,041.89

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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.