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Finding the Fourth Proportional to 70,162.62, 96,842.07 and 45,055.86

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Solution

The fourth proportional to 70,162.62, 96,842.07 and 45,055.86 is: 62,188.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,162.62 : 96,842.07 = 45,055.86 : x
  2. Step 2: Convert to fraction form
    70,162.62/96,842.07 = 45,055.86/x
  3. Step 3: Cross multiply
    70,162.62x = 96,842.07 × 45,055.86
  4. Step 4: Simplify right side
    70,162.62x = 4,363,302,748.03
  5. Step 5: Solve for x
    x = 4,363,302,748.03/70,162.62
  6. Step 6: Final answer
    x = 62,188.42

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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.