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Finding the Fourth Proportional to 73,588.32, 110,043.36 and 54,648.72

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Solution

The fourth proportional to 73,588.32, 110,043.36 and 54,648.72 is: 81,721.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,588.32 : 110,043.36 = 54,648.72 : x
  2. Step 2: Convert to fraction form
    73,588.32/110,043.36 = 54,648.72/x
  3. Step 3: Cross multiply
    73,588.32x = 110,043.36 × 54,648.72
  4. Step 4: Simplify right side
    73,588.32x = 6,013,728,768.50
  5. Step 5: Solve for x
    x = 6,013,728,768.50/73,588.32
  6. Step 6: Final answer
    x = 81,721.24

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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.