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Finding the Fourth Proportional to 66,068.99, 91,250.90 and 43,508.82

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Solution

The fourth proportional to 66,068.99, 91,250.90 and 43,508.82 is: 60,092.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,068.99 : 91,250.90 = 43,508.82 : x
  2. Step 2: Convert to fraction form
    66,068.99/91,250.90 = 43,508.82/x
  3. Step 3: Cross multiply
    66,068.99x = 91,250.90 × 43,508.82
  4. Step 4: Simplify right side
    66,068.99x = 3,970,219,258.84
  5. Step 5: Solve for x
    x = 3,970,219,258.84/66,068.99
  6. Step 6: Final answer
    x = 60,092.02

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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.