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Finding the Fourth Proportional to 169,638.72, 254,438.64 and 44,989.44

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Solution

The fourth proportional to 169,638.72, 254,438.64 and 44,989.44 is: 67,479.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,638.72 : 254,438.64 = 44,989.44 : x
  2. Step 2: Convert to fraction form
    169,638.72/254,438.64 = 44,989.44/x
  3. Step 3: Cross multiply
    169,638.72x = 254,438.64 × 44,989.44
  4. Step 4: Simplify right side
    169,638.72x = 11,447,051,927.96
  5. Step 5: Solve for x
    x = 11,447,051,927.96/169,638.72
  6. Step 6: Final answer
    x = 67,479.00

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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.