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Finding the Fourth Proportional to 182,065.58, 272,737.92 and 85,871.06

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Solution

The fourth proportional to 182,065.58, 272,737.92 and 85,871.06 is: 128,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,065.58 : 272,737.92 = 85,871.06 : x
  2. Step 2: Convert to fraction form
    182,065.58/272,737.92 = 85,871.06/x
  3. Step 3: Cross multiply
    182,065.58x = 272,737.92 × 85,871.06
  4. Step 4: Simplify right side
    182,065.58x = 23,420,294,292.60
  5. Step 5: Solve for x
    x = 23,420,294,292.60/182,065.58
  6. Step 6: Final answer
    x = 128,636.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.