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Finding the Fourth Proportional to 101,752.40, 152,658.44 and 45,580.01

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Solution

The fourth proportional to 101,752.40, 152,658.44 and 45,580.01 is: 68,383.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,752.40 : 152,658.44 = 45,580.01 : x
  2. Step 2: Convert to fraction form
    101,752.40/152,658.44 = 45,580.01/x
  3. Step 3: Cross multiply
    101,752.40x = 152,658.44 × 45,580.01
  4. Step 4: Simplify right side
    101,752.40x = 6,958,173,221.78
  5. Step 5: Solve for x
    x = 6,958,173,221.78/101,752.40
  6. Step 6: Final answer
    x = 68,383.38

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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.