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Finding the Fourth Proportional to 156,647.98, 216,286.55 and 96,299.53

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Solution

The fourth proportional to 156,647.98, 216,286.55 and 96,299.53 is: 132,962.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,647.98 : 216,286.55 = 96,299.53 : x
  2. Step 2: Convert to fraction form
    156,647.98/216,286.55 = 96,299.53/x
  3. Step 3: Cross multiply
    156,647.98x = 216,286.55 × 96,299.53
  4. Step 4: Simplify right side
    156,647.98x = 20,828,292,449.23
  5. Step 5: Solve for x
    x = 20,828,292,449.23/156,647.98
  6. Step 6: Final answer
    x = 132,962.41

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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.