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Finding the Fourth Proportional to 96,849, 133,658.91 and 59,130.54

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Solution

The fourth proportional to 96,849, 133,658.91 and 59,130.54 is: 81,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,849 : 133,658.91 = 59,130.54 : x
  2. Step 2: Convert to fraction form
    96,849/133,658.91 = 59,130.54/x
  3. Step 3: Cross multiply
    96,849x = 133,658.91 × 59,130.54
  4. Step 4: Simplify right side
    96,849x = 7,903,323,524.11
  5. Step 5: Solve for x
    x = 7,903,323,524.11/96,849
  6. Step 6: Final answer
    x = 81,604.60

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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.