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Finding the Fourth Proportional to 167,851.86, 251,685.77 and 66,547.29

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Solution

The fourth proportional to 167,851.86, 251,685.77 and 66,547.29 is: 99,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,851.86 : 251,685.77 = 66,547.29 : x
  2. Step 2: Convert to fraction form
    167,851.86/251,685.77 = 66,547.29/x
  3. Step 3: Cross multiply
    167,851.86x = 251,685.77 × 66,547.29
  4. Step 4: Simplify right side
    167,851.86x = 16,749,005,592.33
  5. Step 5: Solve for x
    x = 16,749,005,592.33/167,851.86
  6. Step 6: Final answer
    x = 99,784.45

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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.