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Finding the Fourth Proportional to 67,164.99, 92,098.26 and 65,415.39

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Solution

The fourth proportional to 67,164.99, 92,098.26 and 65,415.39 is: 89,699.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,164.99 : 92,098.26 = 65,415.39 : x
  2. Step 2: Convert to fraction form
    67,164.99/92,098.26 = 65,415.39/x
  3. Step 3: Cross multiply
    67,164.99x = 92,098.26 × 65,415.39
  4. Step 4: Simplify right side
    67,164.99x = 6,024,643,596.22
  5. Step 5: Solve for x
    x = 6,024,643,596.22/67,164.99
  6. Step 6: Final answer
    x = 89,699.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.