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Finding the Fourth Proportional to 315,765.44, 473,648.16 and 94,149.44

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Solution

The fourth proportional to 315,765.44, 473,648.16 and 94,149.44 is: 141,224.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,765.44 : 473,648.16 = 94,149.44 : x
  2. Step 2: Convert to fraction form
    315,765.44/473,648.16 = 94,149.44/x
  3. Step 3: Cross multiply
    315,765.44x = 473,648.16 × 94,149.44
  4. Step 4: Simplify right side
    315,765.44x = 44,593,709,021.03
  5. Step 5: Solve for x
    x = 44,593,709,021.03/315,765.44
  6. Step 6: Final answer
    x = 141,224.16

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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.