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Finding the Fourth Proportional to 348,222.16, 522,001.92 and 111,412.16

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Solution

The fourth proportional to 348,222.16, 522,001.92 and 111,412.16 is: 167,012.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,222.16 : 522,001.92 = 111,412.16 : x
  2. Step 2: Convert to fraction form
    348,222.16/522,001.92 = 111,412.16/x
  3. Step 3: Cross multiply
    348,222.16x = 522,001.92 × 111,412.16
  4. Step 4: Simplify right side
    348,222.16x = 58,157,361,431.35
  5. Step 5: Solve for x
    x = 58,157,361,431.35/348,222.16
  6. Step 6: Final answer
    x = 167,012.24

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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.