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Finding the Fourth Proportional to 132,596.72, 183,006.20 and 84,847.76

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Solution

The fourth proportional to 132,596.72, 183,006.20 and 84,847.76 is: 117,104.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,596.72 : 183,006.20 = 84,847.76 : x
  2. Step 2: Convert to fraction form
    132,596.72/183,006.20 = 84,847.76/x
  3. Step 3: Cross multiply
    132,596.72x = 183,006.20 × 84,847.76
  4. Step 4: Simplify right side
    132,596.72x = 15,527,666,136.11
  5. Step 5: Solve for x
    x = 15,527,666,136.11/132,596.72
  6. Step 6: Final answer
    x = 117,104.45

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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.