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Finding the Fourth Proportional to 118,998.36, 178,672.50 and 49,014.36

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Solution

The fourth proportional to 118,998.36, 178,672.50 and 49,014.36 is: 73,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,998.36 : 178,672.50 = 49,014.36 : x
  2. Step 2: Convert to fraction form
    118,998.36/178,672.50 = 49,014.36/x
  3. Step 3: Cross multiply
    118,998.36x = 178,672.50 × 49,014.36
  4. Step 4: Simplify right side
    118,998.36x = 8,757,518,237.10
  5. Step 5: Solve for x
    x = 8,757,518,237.10/118,998.36
  6. Step 6: Final answer
    x = 73,593.60

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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.