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Finding the Fourth Proportional to 194,999.84, 292,439.28 and 70,324.64

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Solution

The fourth proportional to 194,999.84, 292,439.28 and 70,324.64 is: 105,465.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,999.84 : 292,439.28 = 70,324.64 : x
  2. Step 2: Convert to fraction form
    194,999.84/292,439.28 = 70,324.64/x
  3. Step 3: Cross multiply
    194,999.84x = 292,439.28 × 70,324.64
  4. Step 4: Simplify right side
    194,999.84x = 20,565,687,087.86
  5. Step 5: Solve for x
    x = 20,565,687,087.86/194,999.84
  6. Step 6: Final answer
    x = 105,465.15

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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.