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Finding the Fourth Proportional to 67,415.28, 101,122.91 and 63,259.98

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Solution

The fourth proportional to 67,415.28, 101,122.91 and 63,259.98 is: 94,889.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,415.28 : 101,122.91 = 63,259.98 : x
  2. Step 2: Convert to fraction form
    67,415.28/101,122.91 = 63,259.98/x
  3. Step 3: Cross multiply
    67,415.28x = 101,122.91 × 63,259.98
  4. Step 4: Simplify right side
    67,415.28x = 6,397,033,264.14
  5. Step 5: Solve for x
    x = 6,397,033,264.14/67,415.28
  6. Step 6: Final answer
    x = 94,889.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.