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Finding the Fourth Proportional to 229,326.53, 316,620.50 and 148,983.03

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Solution

The fourth proportional to 229,326.53, 316,620.50 and 148,983.03 is: 205,693.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,326.53 : 316,620.50 = 148,983.03 : x
  2. Step 2: Convert to fraction form
    229,326.53/316,620.50 = 148,983.03/x
  3. Step 3: Cross multiply
    229,326.53x = 316,620.50 × 148,983.03
  4. Step 4: Simplify right side
    229,326.53x = 47,171,080,705.20
  5. Step 5: Solve for x
    x = 47,171,080,705.20/229,326.53
  6. Step 6: Final answer
    x = 205,693.96

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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.