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Finding the Fourth Proportional to 247,115.48, 370,532.58 and 97,274.51

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Solution

The fourth proportional to 247,115.48, 370,532.58 and 97,274.51 is: 145,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,115.48 : 370,532.58 = 97,274.51 : x
  2. Step 2: Convert to fraction form
    247,115.48/370,532.58 = 97,274.51/x
  3. Step 3: Cross multiply
    247,115.48x = 370,532.58 × 97,274.51
  4. Step 4: Simplify right side
    247,115.48x = 36,043,375,158.54
  5. Step 5: Solve for x
    x = 36,043,375,158.54/247,115.48
  6. Step 6: Final answer
    x = 145,856.40

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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.