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Finding the Fourth Proportional to 360,564.90, 540,935.91 and 123,910.98

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Solution

The fourth proportional to 360,564.90, 540,935.91 and 123,910.98 is: 185,896.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,564.90 : 540,935.91 = 123,910.98 : x
  2. Step 2: Convert to fraction form
    360,564.90/540,935.91 = 123,910.98/x
  3. Step 3: Cross multiply
    360,564.90x = 540,935.91 × 123,910.98
  4. Step 4: Simplify right side
    360,564.90x = 67,027,898,725.29
  5. Step 5: Solve for x
    x = 67,027,898,725.29/360,564.90
  6. Step 6: Final answer
    x = 185,896.90

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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.