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Finding the Fourth Proportional to 166,425.78, 229,641.03 and 94,807.20

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Solution

The fourth proportional to 166,425.78, 229,641.03 and 94,807.20 is: 130,818.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,425.78 : 229,641.03 = 94,807.20 : x
  2. Step 2: Convert to fraction form
    166,425.78/229,641.03 = 94,807.20/x
  3. Step 3: Cross multiply
    166,425.78x = 229,641.03 × 94,807.20
  4. Step 4: Simplify right side
    166,425.78x = 21,771,623,059.42
  5. Step 5: Solve for x
    x = 21,771,623,059.42/166,425.78
  6. Step 6: Final answer
    x = 130,818.81

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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.