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Finding the Fourth Proportional to 71,145.90, 98,191.80 and 44,296.82

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Solution

The fourth proportional to 71,145.90, 98,191.80 and 44,296.82 is: 61,136.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,145.90 : 98,191.80 = 44,296.82 : x
  2. Step 2: Convert to fraction form
    71,145.90/98,191.80 = 44,296.82/x
  3. Step 3: Cross multiply
    71,145.90x = 98,191.80 × 44,296.82
  4. Step 4: Simplify right side
    71,145.90x = 4,349,584,490.08
  5. Step 5: Solve for x
    x = 4,349,584,490.08/71,145.90
  6. Step 6: Final answer
    x = 61,136.12

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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.