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Finding the Fourth Proportional to 96,970, 133,820.76 and 59,265.04

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Solution

The fourth proportional to 96,970, 133,820.76 and 59,265.04 is: 81,787.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,970 : 133,820.76 = 59,265.04 : x
  2. Step 2: Convert to fraction form
    96,970/133,820.76 = 59,265.04/x
  3. Step 3: Cross multiply
    96,970x = 133,820.76 × 59,265.04
  4. Step 4: Simplify right side
    96,970x = 7,930,892,694.23
  5. Step 5: Solve for x
    x = 7,930,892,694.23/96,970
  6. Step 6: Final answer
    x = 81,787.08

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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.