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Finding the Fourth Proportional to 292,603.88, 403,826.22 and 165,287.67

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Solution

The fourth proportional to 292,603.88, 403,826.22 and 165,287.67 is: 228,115.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,603.88 : 403,826.22 = 165,287.67 : x
  2. Step 2: Convert to fraction form
    292,603.88/403,826.22 = 165,287.67/x
  3. Step 3: Cross multiply
    292,603.88x = 403,826.22 × 165,287.67
  4. Step 4: Simplify right side
    292,603.88x = 66,747,494,988.71
  5. Step 5: Solve for x
    x = 66,747,494,988.71/292,603.88
  6. Step 6: Final answer
    x = 228,115.55

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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.