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Finding the Fourth Proportional to 70,418.75, 97,177.88 and 40,610.75

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Solution

The fourth proportional to 70,418.75, 97,177.88 and 40,610.75 is: 56,042.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,418.75 : 97,177.88 = 40,610.75 : x
  2. Step 2: Convert to fraction form
    70,418.75/97,177.88 = 40,610.75/x
  3. Step 3: Cross multiply
    70,418.75x = 97,177.88 × 40,610.75
  4. Step 4: Simplify right side
    70,418.75x = 3,946,466,590.21
  5. Step 5: Solve for x
    x = 3,946,466,590.21/70,418.75
  6. Step 6: Final answer
    x = 56,042.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.