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Finding the Fourth Proportional to 89,751.90, 134,627.85 and 37,147.26

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Solution

The fourth proportional to 89,751.90, 134,627.85 and 37,147.26 is: 55,720.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,751.90 : 134,627.85 = 37,147.26 : x
  2. Step 2: Convert to fraction form
    89,751.90/134,627.85 = 37,147.26/x
  3. Step 3: Cross multiply
    89,751.90x = 134,627.85 × 37,147.26
  4. Step 4: Simplify right side
    89,751.90x = 5,001,055,747.19
  5. Step 5: Solve for x
    x = 5,001,055,747.19/89,751.90
  6. Step 6: Final answer
    x = 55,720.89

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1.5x scale

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.