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Finding the Fourth Proportional to 107,364.60, 161,046.90 and 92,274.30

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Solution

The fourth proportional to 107,364.60, 161,046.90 and 92,274.30 is: 138,411.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,364.60 : 161,046.90 = 92,274.30 : x
  2. Step 2: Convert to fraction form
    107,364.60/161,046.90 = 92,274.30/x
  3. Step 3: Cross multiply
    107,364.60x = 161,046.90 × 92,274.30
  4. Step 4: Simplify right side
    107,364.60x = 14,860,489,964.67
  5. Step 5: Solve for x
    x = 14,860,489,964.67/107,364.60
  6. Step 6: Final answer
    x = 138,411.45

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1.5x scale

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.