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Finding the Fourth Proportional to 348,876.42, 522,982.47 and 112,053.07

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Solution

The fourth proportional to 348,876.42, 522,982.47 and 112,053.07 is: 167,972.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,876.42 : 522,982.47 = 112,053.07 : x
  2. Step 2: Convert to fraction form
    348,876.42/522,982.47 = 112,053.07/x
  3. Step 3: Cross multiply
    348,876.42x = 522,982.47 × 112,053.07
  4. Step 4: Simplify right side
    348,876.42x = 58,601,792,393.61
  5. Step 5: Solve for x
    x = 58,601,792,393.61/348,876.42
  6. Step 6: Final answer
    x = 167,972.93

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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.