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Finding the Fourth Proportional to 247,001.50, 340,862.43 and 133,824.25

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Solution

The fourth proportional to 247,001.50, 340,862.43 and 133,824.25 is: 184,677.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,001.50 : 340,862.43 = 133,824.25 : x
  2. Step 2: Convert to fraction form
    247,001.50/340,862.43 = 133,824.25/x
  3. Step 3: Cross multiply
    247,001.50x = 340,862.43 × 133,824.25
  4. Step 4: Simplify right side
    247,001.50x = 45,615,659,047.93
  5. Step 5: Solve for x
    x = 45,615,659,047.93/247,001.50
  6. Step 6: Final answer
    x = 184,677.66

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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.