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Finding the Fourth Proportional to 225,308.88, 310,904.99 and 134,646.80

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Solution

The fourth proportional to 225,308.88, 310,904.99 and 134,646.80 is: 185,799.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,308.88 : 310,904.99 = 134,646.80 : x
  2. Step 2: Convert to fraction form
    225,308.88/310,904.99 = 134,646.80/x
  3. Step 3: Cross multiply
    225,308.88x = 310,904.99 × 134,646.80
  4. Step 4: Simplify right side
    225,308.88x = 41,862,362,207.98
  5. Step 5: Solve for x
    x = 41,862,362,207.98/225,308.88
  6. Step 6: Final answer
    x = 185,799.87

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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.