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Finding the Fourth Proportional to 248,706.25, 343,204.53 and 152,072.88

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Solution

The fourth proportional to 248,706.25, 343,204.53 and 152,072.88 is: 209,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,706.25 : 343,204.53 = 152,072.88 : x
  2. Step 2: Convert to fraction form
    248,706.25/343,204.53 = 152,072.88/x
  3. Step 3: Cross multiply
    248,706.25x = 343,204.53 × 152,072.88
  4. Step 4: Simplify right side
    248,706.25x = 52,192,099,448.86
  5. Step 5: Solve for x
    x = 52,192,099,448.86/248,706.25
  6. Step 6: Final answer
    x = 209,854.40

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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.