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Finding the Fourth Proportional to 156,863.52, 216,505.08 and 96,485.04

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Solution

The fourth proportional to 156,863.52, 216,505.08 and 96,485.04 is: 133,169.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,863.52 : 216,505.08 = 96,485.04 : x
  2. Step 2: Convert to fraction form
    156,863.52/216,505.08 = 96,485.04/x
  3. Step 3: Cross multiply
    156,863.52x = 216,505.08 × 96,485.04
  4. Step 4: Simplify right side
    156,863.52x = 20,889,501,304.00
  5. Step 5: Solve for x
    x = 20,889,501,304.00/156,863.52
  6. Step 6: Final answer
    x = 133,169.91

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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.