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Finding the Fourth Proportional to 348,773.72, 523,209.78 and 112,037.04

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Solution

The fourth proportional to 348,773.72, 523,209.78 and 112,037.04 is: 168,071.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,773.72 : 523,209.78 = 112,037.04 : x
  2. Step 2: Convert to fraction form
    348,773.72/523,209.78 = 112,037.04/x
  3. Step 3: Cross multiply
    348,773.72x = 523,209.78 × 112,037.04
  4. Step 4: Simplify right side
    348,773.72x = 58,618,875,050.25
  5. Step 5: Solve for x
    x = 58,618,875,050.25/348,773.72
  6. Step 6: Final answer
    x = 168,071.37

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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.