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Finding the Fourth Proportional to 152,871.80, 229,344.15 and 73,921.10

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Solution

The fourth proportional to 152,871.80, 229,344.15 and 73,921.10 is: 110,899.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,871.80 : 229,344.15 = 73,921.10 : x
  2. Step 2: Convert to fraction form
    152,871.80/229,344.15 = 73,921.10/x
  3. Step 3: Cross multiply
    152,871.80x = 229,344.15 × 73,921.10
  4. Step 4: Simplify right side
    152,871.80x = 16,953,371,846.57
  5. Step 5: Solve for x
    x = 16,953,371,846.57/152,871.80
  6. Step 6: Final answer
    x = 110,899.28

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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.