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Finding the Fourth Proportional to 207,254.08, 286,103.20 and 159,489.60

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Solution

The fourth proportional to 207,254.08, 286,103.20 and 159,489.60 is: 220,166.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,254.08 : 286,103.20 = 159,489.60 : x
  2. Step 2: Convert to fraction form
    207,254.08/286,103.20 = 159,489.60/x
  3. Step 3: Cross multiply
    207,254.08x = 286,103.20 × 159,489.60
  4. Step 4: Simplify right side
    207,254.08x = 45,630,484,926.72
  5. Step 5: Solve for x
    x = 45,630,484,926.72/207,254.08
  6. Step 6: Final answer
    x = 220,166.88

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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.