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Finding the Fourth Proportional to 223,606.61, 335,443.14 and 73,862.72

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Solution

The fourth proportional to 223,606.61, 335,443.14 and 73,862.72 is: 110,805.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,606.61 : 335,443.14 = 73,862.72 : x
  2. Step 2: Convert to fraction form
    223,606.61/335,443.14 = 73,862.72/x
  3. Step 3: Cross multiply
    223,606.61x = 335,443.14 × 73,862.72
  4. Step 4: Simplify right side
    223,606.61x = 24,776,742,725.74
  5. Step 5: Solve for x
    x = 24,776,742,725.74/223,606.61
  6. Step 6: Final answer
    x = 110,805.06

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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.