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Finding the Fourth Proportional to 133,316.69, 199,985.66 and 44,570.66

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Solution

The fourth proportional to 133,316.69, 199,985.66 and 44,570.66 is: 66,859.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,316.69 : 199,985.66 = 44,570.66 : x
  2. Step 2: Convert to fraction form
    133,316.69/199,985.66 = 44,570.66/x
  3. Step 3: Cross multiply
    133,316.69x = 199,985.66 × 44,570.66
  4. Step 4: Simplify right side
    133,316.69x = 8,913,491,801.09
  5. Step 5: Solve for x
    x = 8,913,491,801.09/133,316.69
  6. Step 6: Final answer
    x = 66,859.54

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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.