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Finding the Fourth Proportional to 225,326.22, 310,950.62 and 123,358.02

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Solution

The fourth proportional to 225,326.22, 310,950.62 and 123,358.02 is: 170,234.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,326.22 : 310,950.62 = 123,358.02 : x
  2. Step 2: Convert to fraction form
    225,326.22/310,950.62 = 123,358.02/x
  3. Step 3: Cross multiply
    225,326.22x = 310,950.62 × 123,358.02
  4. Step 4: Simplify right side
    225,326.22x = 38,358,252,184.18
  5. Step 5: Solve for x
    x = 38,358,252,184.18/225,326.22
  6. Step 6: Final answer
    x = 170,234.30

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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.