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Finding the Fourth Proportional to 111,678.65, 167,473.63 and 40,562.49

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Solution

The fourth proportional to 111,678.65, 167,473.63 and 40,562.49 is: 60,827.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,678.65 : 167,473.63 = 40,562.49 : x
  2. Step 2: Convert to fraction form
    111,678.65/167,473.63 = 40,562.49/x
  3. Step 3: Cross multiply
    111,678.65x = 167,473.63 × 40,562.49
  4. Step 4: Simplify right side
    111,678.65x = 6,793,146,950.66
  5. Step 5: Solve for x
    x = 6,793,146,950.66/111,678.65
  6. Step 6: Final answer
    x = 60,827.62

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1.5x scale

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.