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Finding the Fourth Proportional to 247,384.33, 370,490.71 and 157,104.06

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Solution

The fourth proportional to 247,384.33, 370,490.71 and 157,104.06 is: 235,284.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,384.33 : 370,490.71 = 157,104.06 : x
  2. Step 2: Convert to fraction form
    247,384.33/370,490.71 = 157,104.06/x
  3. Step 3: Cross multiply
    247,384.33x = 370,490.71 × 157,104.06
  4. Step 4: Simplify right side
    247,384.33x = 58,205,593,245.75
  5. Step 5: Solve for x
    x = 58,205,593,245.75/247,384.33
  6. Step 6: Final answer
    x = 235,284.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.