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Finding the Fourth Proportional to 141,486.61, 212,237.48 and 36,306.49

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Solution

The fourth proportional to 141,486.61, 212,237.48 and 36,306.49 is: 54,461.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,486.61 : 212,237.48 = 36,306.49 : x
  2. Step 2: Convert to fraction form
    141,486.61/212,237.48 = 36,306.49/x
  3. Step 3: Cross multiply
    141,486.61x = 212,237.48 × 36,306.49
  4. Step 4: Simplify right side
    141,486.61x = 7,705,597,763.71
  5. Step 5: Solve for x
    x = 7,705,597,763.71/141,486.61
  6. Step 6: Final answer
    x = 54,461.67

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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.