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Finding the Fourth Proportional to 100,703.44, 151,005.72 and 41,568.40

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Solution

The fourth proportional to 100,703.44, 151,005.72 and 41,568.40 is: 62,332.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,703.44 : 151,005.72 = 41,568.40 : x
  2. Step 2: Convert to fraction form
    100,703.44/151,005.72 = 41,568.40/x
  3. Step 3: Cross multiply
    100,703.44x = 151,005.72 × 41,568.40
  4. Step 4: Simplify right side
    100,703.44x = 6,277,066,171.25
  5. Step 5: Solve for x
    x = 6,277,066,171.25/100,703.44
  6. Step 6: Final answer
    x = 62,332.19

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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.