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Finding the Fourth Proportional to 133,574.70, 200,436.30 and 54,683.40

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Solution

The fourth proportional to 133,574.70, 200,436.30 and 54,683.40 is: 82,055.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,574.70 : 200,436.30 = 54,683.40 : x
  2. Step 2: Convert to fraction form
    133,574.70/200,436.30 = 54,683.40/x
  3. Step 3: Cross multiply
    133,574.70x = 200,436.30 × 54,683.40
  4. Step 4: Simplify right side
    133,574.70x = 10,960,538,367.42
  5. Step 5: Solve for x
    x = 10,960,538,367.42/133,574.70
  6. Step 6: Final answer
    x = 82,055.50

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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.