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Finding the Fourth Proportional to 348,521.70, 522,804.42 and 111,859.14

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Solution

The fourth proportional to 348,521.70, 522,804.42 and 111,859.14 is: 167,795.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,521.70 : 522,804.42 = 111,859.14 : x
  2. Step 2: Convert to fraction form
    348,521.70/522,804.42 = 111,859.14/x
  3. Step 3: Cross multiply
    348,521.70x = 522,804.42 × 111,859.14
  4. Step 4: Simplify right side
    348,521.70x = 58,480,452,809.40
  5. Step 5: Solve for x
    x = 58,480,452,809.40/348,521.70
  6. Step 6: Final answer
    x = 167,795.73

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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.