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Finding the Fourth Proportional to 133,557.70, 200,410.80 and 54,666.40

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Solution

The fourth proportional to 133,557.70, 200,410.80 and 54,666.40 is: 82,029.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,557.70 : 200,410.80 = 54,666.40 : x
  2. Step 2: Convert to fraction form
    133,557.70/200,410.80 = 54,666.40/x
  3. Step 3: Cross multiply
    133,557.70x = 200,410.80 × 54,666.40
  4. Step 4: Simplify right side
    133,557.70x = 10,955,736,957.12
  5. Step 5: Solve for x
    x = 10,955,736,957.12/133,557.70
  6. Step 6: Final answer
    x = 82,029.99

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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.