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Finding the Fourth Proportional to 134,606.20, 201,836.40 and 55,728.40

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Solution

The fourth proportional to 134,606.20, 201,836.40 and 55,728.40 is: 83,562.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,606.20 : 201,836.40 = 55,728.40 : x
  2. Step 2: Convert to fraction form
    134,606.20/201,836.40 = 55,728.40/x
  3. Step 3: Cross multiply
    134,606.20x = 201,836.40 × 55,728.40
  4. Step 4: Simplify right side
    134,606.20x = 11,248,019,633.76
  5. Step 5: Solve for x
    x = 11,248,019,633.76/134,606.20
  6. Step 6: Final answer
    x = 83,562.42

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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.