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Finding the Fourth Proportional to 171,809.47, 237,105.05 and 107,316.89

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Solution

The fourth proportional to 171,809.47, 237,105.05 and 107,316.89 is: 148,102.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,809.47 : 237,105.05 = 107,316.89 : x
  2. Step 2: Convert to fraction form
    171,809.47/237,105.05 = 107,316.89/x
  3. Step 3: Cross multiply
    171,809.47x = 237,105.05 × 107,316.89
  4. Step 4: Simplify right side
    171,809.47x = 25,445,375,115.48
  5. Step 5: Solve for x
    x = 25,445,375,115.48/171,809.47
  6. Step 6: Final answer
    x = 148,102.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.