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Finding the Fourth Proportional to 70,672.08, 97,486.86 and 44,130

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Solution

The fourth proportional to 70,672.08, 97,486.86 and 44,130 is: 60,874.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,672.08 : 97,486.86 = 44,130 : x
  2. Step 2: Convert to fraction form
    70,672.08/97,486.86 = 44,130/x
  3. Step 3: Cross multiply
    70,672.08x = 97,486.86 × 44,130
  4. Step 4: Simplify right side
    70,672.08x = 4,302,095,131.80
  5. Step 5: Solve for x
    x = 4,302,095,131.80/70,672.08
  6. Step 6: Final answer
    x = 60,874.04

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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.