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Finding the Fourth Proportional to 250,706.40, 346,005.48 and 143,251.80

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Solution

The fourth proportional to 250,706.40, 346,005.48 and 143,251.80 is: 197,705.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,706.40 : 346,005.48 = 143,251.80 : x
  2. Step 2: Convert to fraction form
    250,706.40/346,005.48 = 143,251.80/x
  3. Step 3: Cross multiply
    250,706.40x = 346,005.48 × 143,251.80
  4. Step 4: Simplify right side
    250,706.40x = 49,565,907,819.86
  5. Step 5: Solve for x
    x = 49,565,907,819.86/250,706.40
  6. Step 6: Final answer
    x = 197,705.00

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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.