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Finding the Fourth Proportional to 70,065.75, 96,699.65 and 46,242.03

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Solution

The fourth proportional to 70,065.75, 96,699.65 and 46,242.03 is: 63,819.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,065.75 : 96,699.65 = 46,242.03 : x
  2. Step 2: Convert to fraction form
    70,065.75/96,699.65 = 46,242.03/x
  3. Step 3: Cross multiply
    70,065.75x = 96,699.65 × 46,242.03
  4. Step 4: Simplify right side
    70,065.75x = 4,471,587,885.08
  5. Step 5: Solve for x
    x = 4,471,587,885.08/70,065.75
  6. Step 6: Final answer
    x = 63,819.88

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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.