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Finding the Fourth Proportional to 247,486.72, 341,362.56 and 158,022.40

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Solution

The fourth proportional to 247,486.72, 341,362.56 and 158,022.40 is: 217,962.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,486.72 : 341,362.56 = 158,022.40 : x
  2. Step 2: Convert to fraction form
    247,486.72/341,362.56 = 158,022.40/x
  3. Step 3: Cross multiply
    247,486.72x = 341,362.56 × 158,022.40
  4. Step 4: Simplify right side
    247,486.72x = 53,942,931,001.34
  5. Step 5: Solve for x
    x = 53,942,931,001.34/247,486.72
  6. Step 6: Final answer
    x = 217,962.93

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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.