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Finding the Fourth Proportional to 223,749.95, 335,624.52 and 66,089.12

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Solution

The fourth proportional to 223,749.95, 335,624.52 and 66,089.12 is: 99,133.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,749.95 : 335,624.52 = 66,089.12 : x
  2. Step 2: Convert to fraction form
    223,749.95/335,624.52 = 66,089.12/x
  3. Step 3: Cross multiply
    223,749.95x = 335,624.52 × 66,089.12
  4. Step 4: Simplify right side
    223,749.95x = 22,181,130,016.28
  5. Step 5: Solve for x
    x = 22,181,130,016.28/223,749.95
  6. Step 6: Final answer
    x = 99,133.56

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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.