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Finding the Fourth Proportional to 348,593.64, 522,958.50 and 111,918.12

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Solution

The fourth proportional to 348,593.64, 522,958.50 and 111,918.12 is: 167,899.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,593.64 : 522,958.50 = 111,918.12 : x
  2. Step 2: Convert to fraction form
    348,593.64/522,958.50 = 111,918.12/x
  3. Step 3: Cross multiply
    348,593.64x = 522,958.50 × 111,918.12
  4. Step 4: Simplify right side
    348,593.64x = 58,528,532,158.02
  5. Step 5: Solve for x
    x = 58,528,532,158.02/348,593.64
  6. Step 6: Final answer
    x = 167,899.02

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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.