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Finding the Fourth Proportional to 122,732.60, 184,088.10 and 33,978.20

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Solution

The fourth proportional to 122,732.60, 184,088.10 and 33,978.20 is: 50,964.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,732.60 : 184,088.10 = 33,978.20 : x
  2. Step 2: Convert to fraction form
    122,732.60/184,088.10 = 33,978.20/x
  3. Step 3: Cross multiply
    122,732.60x = 184,088.10 × 33,978.20
  4. Step 4: Simplify right side
    122,732.60x = 6,254,982,279.42
  5. Step 5: Solve for x
    x = 6,254,982,279.42/122,732.60
  6. Step 6: Final answer
    x = 50,964.31

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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.