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Finding the Fourth Proportional to 242,962.65, 335,286.17 and 134,068.01

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Solution

The fourth proportional to 242,962.65, 335,286.17 and 134,068.01 is: 185,012.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,962.65 : 335,286.17 = 134,068.01 : x
  2. Step 2: Convert to fraction form
    242,962.65/335,286.17 = 134,068.01/x
  3. Step 3: Cross multiply
    242,962.65x = 335,286.17 × 134,068.01
  4. Step 4: Simplify right side
    242,962.65x = 44,951,147,748.41
  5. Step 5: Solve for x
    x = 44,951,147,748.41/242,962.65
  6. Step 6: Final answer
    x = 185,012.58

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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.