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Finding the Fourth Proportional to 251,617.44, 346,856.40 and 166,586.88

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Solution

The fourth proportional to 251,617.44, 346,856.40 and 166,586.88 is: 229,641.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,617.44 : 346,856.40 = 166,586.88 : x
  2. Step 2: Convert to fraction form
    251,617.44/346,856.40 = 166,586.88/x
  3. Step 3: Cross multiply
    251,617.44x = 346,856.40 × 166,586.88
  4. Step 4: Simplify right side
    251,617.44x = 57,781,725,484.03
  5. Step 5: Solve for x
    x = 57,781,725,484.03/251,617.44
  6. Step 6: Final answer
    x = 229,641.18

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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.