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Finding the Fourth Proportional to 153,855.01, 230,885.59 and 54,015.49

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Solution

The fourth proportional to 153,855.01, 230,885.59 and 54,015.49 is: 81,059.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,855.01 : 230,885.59 = 54,015.49 : x
  2. Step 2: Convert to fraction form
    153,855.01/230,885.59 = 54,015.49/x
  3. Step 3: Cross multiply
    153,855.01x = 230,885.59 × 54,015.49
  4. Step 4: Simplify right side
    153,855.01x = 12,471,398,277.79
  5. Step 5: Solve for x
    x = 12,471,398,277.79/153,855.01
  6. Step 6: Final answer
    x = 81,059.42

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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.