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Finding the Fourth Proportional to 158,563.68, 218,827.96 and 104,754.40

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Solution

The fourth proportional to 158,563.68, 218,827.96 and 104,754.40 is: 144,567.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,563.68 : 218,827.96 = 104,754.40 : x
  2. Step 2: Convert to fraction form
    158,563.68/218,827.96 = 104,754.40/x
  3. Step 3: Cross multiply
    158,563.68x = 218,827.96 × 104,754.40
  4. Step 4: Simplify right side
    158,563.68x = 22,923,191,653.02
  5. Step 5: Solve for x
    x = 22,923,191,653.02/158,563.68
  6. Step 6: Final answer
    x = 144,567.73

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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.