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Finding the Fourth Proportional to 250,633.52, 375,972.36 and 70,720.52

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Solution

The fourth proportional to 250,633.52, 375,972.36 and 70,720.52 is: 106,087.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,633.52 : 375,972.36 = 70,720.52 : x
  2. Step 2: Convert to fraction form
    250,633.52/375,972.36 = 70,720.52/x
  3. Step 3: Cross multiply
    250,633.52x = 375,972.36 × 70,720.52
  4. Step 4: Simplify right side
    250,633.52x = 26,588,960,804.83
  5. Step 5: Solve for x
    x = 26,588,960,804.83/250,633.52
  6. Step 6: Final answer
    x = 106,087.01

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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.