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Finding the Fourth Proportional to 166,695.96, 230,004.90 and 98,734.20

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Solution

The fourth proportional to 166,695.96, 230,004.90 and 98,734.20 is: 136,232.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,695.96 : 230,004.90 = 98,734.20 : x
  2. Step 2: Convert to fraction form
    166,695.96/230,004.90 = 98,734.20/x
  3. Step 3: Cross multiply
    166,695.96x = 230,004.90 × 98,734.20
  4. Step 4: Simplify right side
    166,695.96x = 22,709,349,797.58
  5. Step 5: Solve for x
    x = 22,709,349,797.58/166,695.96
  6. Step 6: Final answer
    x = 136,232.15

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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.