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Finding the Fourth Proportional to 99,192.70, 148,803.63 and 32,620.42

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Solution

The fourth proportional to 99,192.70, 148,803.63 and 32,620.42 is: 48,935.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,192.70 : 148,803.63 = 32,620.42 : x
  2. Step 2: Convert to fraction form
    99,192.70/148,803.63 = 32,620.42/x
  3. Step 3: Cross multiply
    99,192.70x = 148,803.63 × 32,620.42
  4. Step 4: Simplify right side
    99,192.70x = 4,854,036,908.12
  5. Step 5: Solve for x
    x = 4,854,036,908.12/99,192.70
  6. Step 6: Final answer
    x = 48,935.42

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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.