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Finding the Fourth Proportional to 229,073.96, 316,107.02 and 127,099.15

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Solution

The fourth proportional to 229,073.96, 316,107.02 and 127,099.15 is: 175,388.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,073.96 : 316,107.02 = 127,099.15 : x
  2. Step 2: Convert to fraction form
    229,073.96/316,107.02 = 127,099.15/x
  3. Step 3: Cross multiply
    229,073.96x = 316,107.02 × 127,099.15
  4. Step 4: Simplify right side
    229,073.96x = 40,176,933,078.51
  5. Step 5: Solve for x
    x = 40,176,933,078.51/229,073.96
  6. Step 6: Final answer
    x = 175,388.48

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1.5x scale

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.