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Finding the Fourth Proportional to 151,285.40, 226,928.10 and 92,236.40

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Solution

The fourth proportional to 151,285.40, 226,928.10 and 92,236.40 is: 138,354.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,285.40 : 226,928.10 = 92,236.40 : x
  2. Step 2: Convert to fraction form
    151,285.40/226,928.10 = 92,236.40/x
  3. Step 3: Cross multiply
    151,285.40x = 226,928.10 × 92,236.40
  4. Step 4: Simplify right side
    151,285.40x = 20,931,031,002.84
  5. Step 5: Solve for x
    x = 20,931,031,002.84/151,285.40
  6. Step 6: Final answer
    x = 138,354.60

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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.