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Finding the Fourth Proportional to 247,736.94, 371,619.54 and 70,230

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Solution

The fourth proportional to 247,736.94, 371,619.54 and 70,230 is: 105,349.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,736.94 : 371,619.54 = 70,230 : x
  2. Step 2: Convert to fraction form
    247,736.94/371,619.54 = 70,230/x
  3. Step 3: Cross multiply
    247,736.94x = 371,619.54 × 70,230
  4. Step 4: Simplify right side
    247,736.94x = 26,098,840,294.20
  5. Step 5: Solve for x
    x = 26,098,840,294.20/247,736.94
  6. Step 6: Final answer
    x = 105,349.01

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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.