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Finding the Fourth Proportional to 71,158.98, 106,798.32 and 35,609.64

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Solution

The fourth proportional to 71,158.98, 106,798.32 and 35,609.64 is: 53,444.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,158.98 : 106,798.32 = 35,609.64 : x
  2. Step 2: Convert to fraction form
    71,158.98/106,798.32 = 35,609.64/x
  3. Step 3: Cross multiply
    71,158.98x = 106,798.32 × 35,609.64
  4. Step 4: Simplify right side
    71,158.98x = 3,803,049,727.80
  5. Step 5: Solve for x
    x = 3,803,049,727.80/71,158.98
  6. Step 6: Final answer
    x = 53,444.41

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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.