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Finding the Fourth Proportional to 247,307.29, 370,961.55 and 69,814.22

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Solution

The fourth proportional to 247,307.29, 370,961.55 and 69,814.22 is: 104,721.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,307.29 : 370,961.55 = 69,814.22 : x
  2. Step 2: Convert to fraction form
    247,307.29/370,961.55 = 69,814.22/x
  3. Step 3: Cross multiply
    247,307.29x = 370,961.55 × 69,814.22
  4. Step 4: Simplify right side
    247,307.29x = 25,898,389,408.43
  5. Step 5: Solve for x
    x = 25,898,389,408.43/247,307.29
  6. Step 6: Final answer
    x = 104,721.50

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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.