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Finding the Fourth Proportional to 346,625.92, 519,957.32 and 109,987.12

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Solution

The fourth proportional to 346,625.92, 519,957.32 and 109,987.12 is: 164,986.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,625.92 : 519,957.32 = 109,987.12 : x
  2. Step 2: Convert to fraction form
    346,625.92/519,957.32 = 109,987.12/x
  3. Step 3: Cross multiply
    346,625.92x = 519,957.32 × 109,987.12
  4. Step 4: Simplify right side
    346,625.92x = 57,188,608,149.72
  5. Step 5: Solve for x
    x = 57,188,608,149.72/346,625.92
  6. Step 6: Final answer
    x = 164,986.53

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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.