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Finding the Fourth Proportional to 168,989.50, 253,484.25 and 44,330.50

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Solution

The fourth proportional to 168,989.50, 253,484.25 and 44,330.50 is: 66,495.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,989.50 : 253,484.25 = 44,330.50 : x
  2. Step 2: Convert to fraction form
    168,989.50/253,484.25 = 44,330.50/x
  3. Step 3: Cross multiply
    168,989.50x = 253,484.25 × 44,330.50
  4. Step 4: Simplify right side
    168,989.50x = 11,237,083,544.63
  5. Step 5: Solve for x
    x = 11,237,083,544.63/168,989.50
  6. Step 6: Final answer
    x = 66,495.75

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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.