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Finding the Fourth Proportional to 166,563.50, 229,968.51 and 98,602.34

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Solution

The fourth proportional to 166,563.50, 229,968.51 and 98,602.34 is: 136,136.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,563.50 : 229,968.51 = 98,602.34 : x
  2. Step 2: Convert to fraction form
    166,563.50/229,968.51 = 98,602.34/x
  3. Step 3: Cross multiply
    166,563.50x = 229,968.51 × 98,602.34
  4. Step 4: Simplify right side
    166,563.50x = 22,675,433,212.31
  5. Step 5: Solve for x
    x = 22,675,433,212.31/166,563.50
  6. Step 6: Final answer
    x = 136,136.87

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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.