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Finding the Fourth Proportional to 167,340.09, 251,010.14 and 42,681.09

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Solution

The fourth proportional to 167,340.09, 251,010.14 and 42,681.09 is: 64,021.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,340.09 : 251,010.14 = 42,681.09 : x
  2. Step 2: Convert to fraction form
    167,340.09/251,010.14 = 42,681.09/x
  3. Step 3: Cross multiply
    167,340.09x = 251,010.14 × 42,681.09
  4. Step 4: Simplify right side
    167,340.09x = 10,713,386,162.85
  5. Step 5: Solve for x
    x = 10,713,386,162.85/167,340.09
  6. Step 6: Final answer
    x = 64,021.64

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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.