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Finding the Fourth Proportional to 273,885.90, 410,566.40 and 115,897.02

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Solution

The fourth proportional to 273,885.90, 410,566.40 and 115,897.02 is: 173,734.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,885.90 : 410,566.40 = 115,897.02 : x
  2. Step 2: Convert to fraction form
    273,885.90/410,566.40 = 115,897.02/x
  3. Step 3: Cross multiply
    273,885.90x = 410,566.40 × 115,897.02
  4. Step 4: Simplify right side
    273,885.90x = 47,583,422,272.13
  5. Step 5: Solve for x
    x = 47,583,422,272.13/273,885.90
  6. Step 6: Final answer
    x = 173,734.47

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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.