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Finding the Fourth Proportional to 233,988.83, 322,904.61 and 126,558.87

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Solution

The fourth proportional to 233,988.83, 322,904.61 and 126,558.87 is: 174,651.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,988.83 : 322,904.61 = 126,558.87 : x
  2. Step 2: Convert to fraction form
    233,988.83/322,904.61 = 126,558.87/x
  3. Step 3: Cross multiply
    233,988.83x = 322,904.61 × 126,558.87
  4. Step 4: Simplify right side
    233,988.83x = 40,866,442,559.39
  5. Step 5: Solve for x
    x = 40,866,442,559.39/233,988.83
  6. Step 6: Final answer
    x = 174,651.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.