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Finding the Fourth Proportional to 207,040.68, 310,327.80 and 101,933.52

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Solution

The fourth proportional to 207,040.68, 310,327.80 and 101,933.52 is: 152,785.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,040.68 : 310,327.80 = 101,933.52 : x
  2. Step 2: Convert to fraction form
    207,040.68/310,327.80 = 101,933.52/x
  3. Step 3: Cross multiply
    207,040.68x = 310,327.80 × 101,933.52
  4. Step 4: Simplify right side
    207,040.68x = 31,632,805,007.86
  5. Step 5: Solve for x
    x = 31,632,805,007.86/207,040.68
  6. Step 6: Final answer
    x = 152,785.46

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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.