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Finding the Fourth Proportional to 96,886.53, 133,702.25 and 54,452.25

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Solution

The fourth proportional to 96,886.53, 133,702.25 and 54,452.25 is: 75,143.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,886.53 : 133,702.25 = 54,452.25 : x
  2. Step 2: Convert to fraction form
    96,886.53/133,702.25 = 54,452.25/x
  3. Step 3: Cross multiply
    96,886.53x = 133,702.25 × 54,452.25
  4. Step 4: Simplify right side
    96,886.53x = 7,280,388,070.30
  5. Step 5: Solve for x
    x = 7,280,388,070.30/96,886.53
  6. Step 6: Final answer
    x = 75,143.45

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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.