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Finding the Fourth Proportional to 100,608.34, 150,818.73 and 34,001.89

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Solution

The fourth proportional to 100,608.34, 150,818.73 and 34,001.89 is: 50,971.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,608.34 : 150,818.73 = 34,001.89 : x
  2. Step 2: Convert to fraction form
    100,608.34/150,818.73 = 34,001.89/x
  3. Step 3: Cross multiply
    100,608.34x = 150,818.73 × 34,001.89
  4. Step 4: Simplify right side
    100,608.34x = 5,128,121,867.40
  5. Step 5: Solve for x
    x = 5,128,121,867.40/100,608.34
  6. Step 6: Final answer
    x = 50,971.14

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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.