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Finding the Fourth Proportional to 101,485.90, 152,238.45 and 27,613.90

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Solution

The fourth proportional to 101,485.90, 152,238.45 and 27,613.90 is: 41,423.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,485.90 : 152,238.45 = 27,613.90 : x
  2. Step 2: Convert to fraction form
    101,485.90/152,238.45 = 27,613.90/x
  3. Step 3: Cross multiply
    101,485.90x = 152,238.45 × 27,613.90
  4. Step 4: Simplify right side
    101,485.90x = 4,203,897,334.46
  5. Step 5: Solve for x
    x = 4,203,897,334.46/101,485.90
  6. Step 6: Final answer
    x = 41,423.46

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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.