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Finding the Fourth Proportional to 106,354.55, 146,770.26 and 58,609.61

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Solution

The fourth proportional to 106,354.55, 146,770.26 and 58,609.61 is: 80,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,354.55 : 146,770.26 = 58,609.61 : x
  2. Step 2: Convert to fraction form
    106,354.55/146,770.26 = 58,609.61/x
  3. Step 3: Cross multiply
    106,354.55x = 146,770.26 × 58,609.61
  4. Step 4: Simplify right side
    106,354.55x = 8,602,146,964.35
  5. Step 5: Solve for x
    x = 8,602,146,964.35/106,354.55
  6. Step 6: Final answer
    x = 80,881.80

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1.5x scale

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.