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Finding the Fourth Proportional to 250,605.09, 375,820.13 and 100,806.52

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Solution

The fourth proportional to 250,605.09, 375,820.13 and 100,806.52 is: 151,174.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,605.09 : 375,820.13 = 100,806.52 : x
  2. Step 2: Convert to fraction form
    250,605.09/375,820.13 = 100,806.52/x
  3. Step 3: Cross multiply
    250,605.09x = 375,820.13 × 100,806.52
  4. Step 4: Simplify right side
    250,605.09x = 37,885,119,886.77
  5. Step 5: Solve for x
    x = 37,885,119,886.77/250,605.09
  6. Step 6: Final answer
    x = 151,174.58

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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.