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Finding the Fourth Proportional to 70,460.58, 97,230.75 and 41,778.78

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Solution

The fourth proportional to 70,460.58, 97,230.75 and 41,778.78 is: 57,651.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,460.58 : 97,230.75 = 41,778.78 : x
  2. Step 2: Convert to fraction form
    70,460.58/97,230.75 = 41,778.78/x
  3. Step 3: Cross multiply
    70,460.58x = 97,230.75 × 41,778.78
  4. Step 4: Simplify right side
    70,460.58x = 4,062,182,113.49
  5. Step 5: Solve for x
    x = 4,062,182,113.49/70,460.58
  6. Step 6: Final answer
    x = 57,651.84

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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.