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Finding the Fourth Proportional to 99,033.99, 148,173.72 and 87,092.97

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Solution

The fourth proportional to 99,033.99, 148,173.72 and 87,092.97 is: 130,307.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,033.99 : 148,173.72 = 87,092.97 : x
  2. Step 2: Convert to fraction form
    99,033.99/148,173.72 = 87,092.97/x
  3. Step 3: Cross multiply
    99,033.99x = 148,173.72 × 87,092.97
  4. Step 4: Simplify right side
    99,033.99x = 12,904,889,350.75
  5. Step 5: Solve for x
    x = 12,904,889,350.75/99,033.99
  6. Step 6: Final answer
    x = 130,307.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.