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Finding the Fourth Proportional to 247,842.50, 371,763.02 and 70,349.66

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Solution

The fourth proportional to 247,842.50, 371,763.02 and 70,349.66 is: 105,524.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,842.50 : 371,763.02 = 70,349.66 : x
  2. Step 2: Convert to fraction form
    247,842.50/371,763.02 = 70,349.66/x
  3. Step 3: Cross multiply
    247,842.50x = 371,763.02 × 70,349.66
  4. Step 4: Simplify right side
    247,842.50x = 26,153,402,057.57
  5. Step 5: Solve for x
    x = 26,153,402,057.57/247,842.50
  6. Step 6: Final answer
    x = 105,524.28

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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.