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Finding the Fourth Proportional to 247,413, 370,627.98 and 122,372.36

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Solution

The fourth proportional to 247,413, 370,627.98 and 122,372.36 is: 183,315.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,413 : 370,627.98 = 122,372.36 : x
  2. Step 2: Convert to fraction form
    247,413/370,627.98 = 122,372.36/x
  3. Step 3: Cross multiply
    247,413x = 370,627.98 × 122,372.36
  4. Step 4: Simplify right side
    247,413x = 45,354,620,594.63
  5. Step 5: Solve for x
    x = 45,354,620,594.63/247,413
  6. Step 6: Final answer
    x = 183,315.43

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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.