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Finding the Fourth Proportional to 247,915.60, 342,006.64 and 179,783.08

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Solution

The fourth proportional to 247,915.60, 342,006.64 and 179,783.08 is: 248,015.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,915.60 : 342,006.64 = 179,783.08 : x
  2. Step 2: Convert to fraction form
    247,915.60/342,006.64 = 179,783.08/x
  3. Step 3: Cross multiply
    247,915.60x = 342,006.64 × 179,783.08
  4. Step 4: Simplify right side
    247,915.60x = 61,487,007,119.65
  5. Step 5: Solve for x
    x = 61,487,007,119.65/247,915.60
  6. Step 6: Final answer
    x = 248,015.89

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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.