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Finding the Fourth Proportional to 130,099.84, 179,548.32 and 73,522.96

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Solution

The fourth proportional to 130,099.84, 179,548.32 and 73,522.96 is: 101,467.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,099.84 : 179,548.32 = 73,522.96 : x
  2. Step 2: Convert to fraction form
    130,099.84/179,548.32 = 73,522.96/x
  3. Step 3: Cross multiply
    130,099.84x = 179,548.32 × 73,522.96
  4. Step 4: Simplify right side
    130,099.84x = 13,200,923,949.43
  5. Step 5: Solve for x
    x = 13,200,923,949.43/130,099.84
  6. Step 6: Final answer
    x = 101,467.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.