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Finding the Fourth Proportional to 73,237.80, 109,807.38 and 26,484.60

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Solution

The fourth proportional to 73,237.80, 109,807.38 and 26,484.60 is: 39,709.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,237.80 : 109,807.38 = 26,484.60 : x
  2. Step 2: Convert to fraction form
    73,237.80/109,807.38 = 26,484.60/x
  3. Step 3: Cross multiply
    73,237.80x = 109,807.38 × 26,484.60
  4. Step 4: Simplify right side
    73,237.80x = 2,908,204,536.35
  5. Step 5: Solve for x
    x = 2,908,204,536.35/73,237.80
  6. Step 6: Final answer
    x = 39,709.06

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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.