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Finding the Fourth Proportional to 110,933.40, 166,400.10 and 48,725.40

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Solution

The fourth proportional to 110,933.40, 166,400.10 and 48,725.40 is: 73,088.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,933.40 : 166,400.10 = 48,725.40 : x
  2. Step 2: Convert to fraction form
    110,933.40/166,400.10 = 48,725.40/x
  3. Step 3: Cross multiply
    110,933.40x = 166,400.10 × 48,725.40
  4. Step 4: Simplify right side
    110,933.40x = 8,107,911,432.54
  5. Step 5: Solve for x
    x = 8,107,911,432.54/110,933.40
  6. Step 6: Final answer
    x = 73,088.10

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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.