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Finding the Fourth Proportional to 141,908.34, 212,874.48 and 36,729.30

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Solution

The fourth proportional to 141,908.34, 212,874.48 and 36,729.30 is: 55,097.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,908.34 : 212,874.48 = 36,729.30 : x
  2. Step 2: Convert to fraction form
    141,908.34/212,874.48 = 36,729.30/x
  3. Step 3: Cross multiply
    141,908.34x = 212,874.48 × 36,729.30
  4. Step 4: Simplify right side
    141,908.34x = 7,818,730,638.26
  5. Step 5: Solve for x
    x = 7,818,730,638.26/141,908.34
  6. Step 6: Final answer
    x = 55,097.05

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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.