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Finding the Fourth Proportional to 212,149.28, 292,773.84 and 116,664.32

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Solution

The fourth proportional to 212,149.28, 292,773.84 and 116,664.32 is: 161,001.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,149.28 : 292,773.84 = 116,664.32 : x
  2. Step 2: Convert to fraction form
    212,149.28/292,773.84 = 116,664.32/x
  3. Step 3: Cross multiply
    212,149.28x = 292,773.84 × 116,664.32
  4. Step 4: Simplify right side
    212,149.28x = 34,156,260,957.39
  5. Step 5: Solve for x
    x = 34,156,260,957.39/212,149.28
  6. Step 6: Final answer
    x = 161,001.07

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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.