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Finding the Fourth Proportional to 225,485.52, 338,228.06 and 92,366.02

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Solution

The fourth proportional to 225,485.52, 338,228.06 and 92,366.02 is: 138,548.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,485.52 : 338,228.06 = 92,366.02 : x
  2. Step 2: Convert to fraction form
    225,485.52/338,228.06 = 92,366.02/x
  3. Step 3: Cross multiply
    225,485.52x = 338,228.06 × 92,366.02
  4. Step 4: Simplify right side
    225,485.52x = 31,240,779,715.48
  5. Step 5: Solve for x
    x = 31,240,779,715.48/225,485.52
  6. Step 6: Final answer
    x = 138,548.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.