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Finding the Fourth Proportional to 348,881.33, 522,989.79 and 112,057.95

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Solution

The fourth proportional to 348,881.33, 522,989.79 and 112,057.95 is: 167,980.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,881.33 : 522,989.79 = 112,057.95 : x
  2. Step 2: Convert to fraction form
    348,881.33/522,989.79 = 112,057.95/x
  3. Step 3: Cross multiply
    348,881.33x = 522,989.79 × 112,057.95
  4. Step 4: Simplify right side
    348,881.33x = 58,605,163,738.33
  5. Step 5: Solve for x
    x = 58,605,163,738.33/348,881.33
  6. Step 6: Final answer
    x = 167,980.23

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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.