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Finding the Fourth Proportional to 233,985.69, 351,040.77 and 74,064.69

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Solution

The fourth proportional to 233,985.69, 351,040.77 and 74,064.69 is: 111,116.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,985.69 : 351,040.77 = 74,064.69 : x
  2. Step 2: Convert to fraction form
    233,985.69/351,040.77 = 74,064.69/x
  3. Step 3: Cross multiply
    233,985.69x = 351,040.77 × 74,064.69
  4. Step 4: Simplify right side
    233,985.69x = 25,999,725,807.41
  5. Step 5: Solve for x
    x = 25,999,725,807.41/233,985.69
  6. Step 6: Final answer
    x = 111,116.73

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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.