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Finding the Fourth Proportional to 247,189.74, 370,813.41 and 89,492.46

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Solution

The fourth proportional to 247,189.74, 370,813.41 and 89,492.46 is: 134,249.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,189.74 : 370,813.41 = 89,492.46 : x
  2. Step 2: Convert to fraction form
    247,189.74/370,813.41 = 89,492.46/x
  3. Step 3: Cross multiply
    247,189.74x = 370,813.41 × 89,492.46
  4. Step 4: Simplify right side
    247,189.74x = 33,185,004,261.89
  5. Step 5: Solve for x
    x = 33,185,004,261.89/247,189.74
  6. Step 6: Final answer
    x = 134,249.12

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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.