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Finding the Fourth Proportional to 242,876.61, 335,055.33 and 157,962.69

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Solution

The fourth proportional to 242,876.61, 335,055.33 and 157,962.69 is: 217,914.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,876.61 : 335,055.33 = 157,962.69 : x
  2. Step 2: Convert to fraction form
    242,876.61/335,055.33 = 157,962.69/x
  3. Step 3: Cross multiply
    242,876.61x = 335,055.33 × 157,962.69
  4. Step 4: Simplify right side
    242,876.61x = 52,926,241,225.64
  5. Step 5: Solve for x
    x = 52,926,241,225.64/242,876.61
  6. Step 6: Final answer
    x = 217,914.11

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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.