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Finding the Fourth Proportional to 225,308.92, 310,905.24 and 134,646.88

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Solution

The fourth proportional to 225,308.92, 310,905.24 and 134,646.88 is: 185,800.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,308.92 : 310,905.24 = 134,646.88 : x
  2. Step 2: Convert to fraction form
    225,308.92/310,905.24 = 134,646.88/x
  3. Step 3: Cross multiply
    225,308.92x = 310,905.24 × 134,646.88
  4. Step 4: Simplify right side
    225,308.92x = 41,862,420,541.65
  5. Step 5: Solve for x
    x = 41,862,420,541.65/225,308.92
  6. Step 6: Final answer
    x = 185,800.10

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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.