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Finding the Fourth Proportional to 348,115.16, 522,177.60 and 98,797.16

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Solution

The fourth proportional to 348,115.16, 522,177.60 and 98,797.16 is: 148,197.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,115.16 : 522,177.60 = 98,797.16 : x
  2. Step 2: Convert to fraction form
    348,115.16/522,177.60 = 98,797.16/x
  3. Step 3: Cross multiply
    348,115.16x = 522,177.60 × 98,797.16
  4. Step 4: Simplify right side
    348,115.16x = 51,589,663,895.62
  5. Step 5: Solve for x
    x = 51,589,663,895.62/348,115.16
  6. Step 6: Final answer
    x = 148,197.12

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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.