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Finding the Fourth Proportional to 223,801.04, 335,631.90 and 74,007.74

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Solution

The fourth proportional to 223,801.04, 335,631.90 and 74,007.74 is: 110,988.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,801.04 : 335,631.90 = 74,007.74 : x
  2. Step 2: Convert to fraction form
    223,801.04/335,631.90 = 74,007.74/x
  3. Step 3: Cross multiply
    223,801.04x = 335,631.90 × 74,007.74
  4. Step 4: Simplify right side
    223,801.04x = 24,839,358,390.91
  5. Step 5: Solve for x
    x = 24,839,358,390.91/223,801.04
  6. Step 6: Final answer
    x = 110,988.57

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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.