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Finding the Fourth Proportional to 96,890.52, 133,702.02 and 54,455.52

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Solution

The fourth proportional to 96,890.52, 133,702.02 and 54,455.52 is: 75,144.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,890.52 : 133,702.02 = 54,455.52 : x
  2. Step 2: Convert to fraction form
    96,890.52/133,702.02 = 54,455.52/x
  3. Step 3: Cross multiply
    96,890.52x = 133,702.02 × 54,455.52
  4. Step 4: Simplify right side
    96,890.52x = 7,280,813,024.15
  5. Step 5: Solve for x
    x = 7,280,813,024.15/96,890.52
  6. Step 6: Final answer
    x = 75,144.74

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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.