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Finding the Fourth Proportional to 72,522.72, 100,113.84 and 44,239.68

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Solution

The fourth proportional to 72,522.72, 100,113.84 and 44,239.68 is: 61,070.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,522.72 : 100,113.84 = 44,239.68 : x
  2. Step 2: Convert to fraction form
    72,522.72/100,113.84 = 44,239.68/x
  3. Step 3: Cross multiply
    72,522.72x = 100,113.84 × 44,239.68
  4. Step 4: Simplify right side
    72,522.72x = 4,429,004,245.17
  5. Step 5: Solve for x
    x = 4,429,004,245.17/72,522.72
  6. Step 6: Final answer
    x = 61,070.58

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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.