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Finding the Fourth Proportional to 104,987.90, 157,481.85 and 34,867.22

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Solution

The fourth proportional to 104,987.90, 157,481.85 and 34,867.22 is: 52,300.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,987.90 : 157,481.85 = 34,867.22 : x
  2. Step 2: Convert to fraction form
    104,987.90/157,481.85 = 34,867.22/x
  3. Step 3: Cross multiply
    104,987.90x = 157,481.85 × 34,867.22
  4. Step 4: Simplify right side
    104,987.90x = 5,490,953,522.55
  5. Step 5: Solve for x
    x = 5,490,953,522.55/104,987.90
  6. Step 6: Final answer
    x = 52,300.82

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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.