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Finding the Fourth Proportional to 229,473.83, 316,671.59 and 126,109.73

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Solution

The fourth proportional to 229,473.83, 316,671.59 and 126,109.73 is: 174,030.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,473.83 : 316,671.59 = 126,109.73 : x
  2. Step 2: Convert to fraction form
    229,473.83/316,671.59 = 126,109.73/x
  3. Step 3: Cross multiply
    229,473.83x = 316,671.59 × 126,109.73
  4. Step 4: Simplify right side
    229,473.83x = 39,935,368,083.02
  5. Step 5: Solve for x
    x = 39,935,368,083.02/229,473.83
  6. Step 6: Final answer
    x = 174,030.16

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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.