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Finding the Fourth Proportional to 70,642.08, 97,445.52 and 44,100

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Solution

The fourth proportional to 70,642.08, 97,445.52 and 44,100 is: 60,832.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,642.08 : 97,445.52 = 44,100 : x
  2. Step 2: Convert to fraction form
    70,642.08/97,445.52 = 44,100/x
  3. Step 3: Cross multiply
    70,642.08x = 97,445.52 × 44,100
  4. Step 4: Simplify right side
    70,642.08x = 4,297,347,432
  5. Step 5: Solve for x
    x = 4,297,347,432/70,642.08
  6. Step 6: Final answer
    x = 60,832.69

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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.