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Finding the Fourth Proportional to 133,049.60, 199,574.40 and 61,972.10

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Solution

The fourth proportional to 133,049.60, 199,574.40 and 61,972.10 is: 92,958.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,049.60 : 199,574.40 = 61,972.10 : x
  2. Step 2: Convert to fraction form
    133,049.60/199,574.40 = 61,972.10/x
  3. Step 3: Cross multiply
    133,049.60x = 199,574.40 × 61,972.10
  4. Step 4: Simplify right side
    133,049.60x = 12,368,044,674.24
  5. Step 5: Solve for x
    x = 12,368,044,674.24/133,049.60
  6. Step 6: Final answer
    x = 92,958.15

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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.