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Finding the Fourth Proportional to 70,062.46, 105,090.74 and 32,609.65

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Solution

The fourth proportional to 70,062.46, 105,090.74 and 32,609.65 is: 48,913.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,062.46 : 105,090.74 = 32,609.65 : x
  2. Step 2: Convert to fraction form
    70,062.46/105,090.74 = 32,609.65/x
  3. Step 3: Cross multiply
    70,062.46x = 105,090.74 × 32,609.65
  4. Step 4: Simplify right side
    70,062.46x = 3,426,972,249.64
  5. Step 5: Solve for x
    x = 3,426,972,249.64/70,062.46
  6. Step 6: Final answer
    x = 48,913.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.