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Finding the Fourth Proportional to 247,943.64, 371,697.44 and 98,289.05

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Solution

The fourth proportional to 247,943.64, 371,697.44 and 98,289.05 is: 147,347.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,943.64 : 371,697.44 = 98,289.05 : x
  2. Step 2: Convert to fraction form
    247,943.64/371,697.44 = 98,289.05/x
  3. Step 3: Cross multiply
    247,943.64x = 371,697.44 × 98,289.05
  4. Step 4: Simplify right side
    247,943.64x = 36,533,788,265.03
  5. Step 5: Solve for x
    x = 36,533,788,265.03/247,943.64
  6. Step 6: Final answer
    x = 147,347.15

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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.