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Finding the Fourth Proportional to 247,646.62, 371,260.11 and 97,992.51

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Solution

The fourth proportional to 247,646.62, 371,260.11 and 97,992.51 is: 146,905.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,646.62 : 371,260.11 = 97,992.51 : x
  2. Step 2: Convert to fraction form
    247,646.62/371,260.11 = 97,992.51/x
  3. Step 3: Cross multiply
    247,646.62x = 371,260.11 × 97,992.51
  4. Step 4: Simplify right side
    247,646.62x = 36,380,710,041.78
  5. Step 5: Solve for x
    x = 36,380,710,041.78/247,646.62
  6. Step 6: Final answer
    x = 146,905.74

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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.