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Finding the Fourth Proportional to 121,934.32, 182,923.32 and 43,094.32

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Solution

The fourth proportional to 121,934.32, 182,923.32 and 43,094.32 is: 64,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,934.32 : 182,923.32 = 43,094.32 : x
  2. Step 2: Convert to fraction form
    121,934.32/182,923.32 = 43,094.32/x
  3. Step 3: Cross multiply
    121,934.32x = 182,923.32 × 43,094.32
  4. Step 4: Simplify right side
    121,934.32x = 7,882,956,087.54
  5. Step 5: Solve for x
    x = 7,882,956,087.54/121,934.32
  6. Step 6: Final answer
    x = 64,649.20

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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.