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Finding the Fourth Proportional to 68,323.48, 102,415.14 and 26,192.20

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Solution

The fourth proportional to 68,323.48, 102,415.14 and 26,192.20 is: 39,261.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,323.48 : 102,415.14 = 26,192.20 : x
  2. Step 2: Convert to fraction form
    68,323.48/102,415.14 = 26,192.20/x
  3. Step 3: Cross multiply
    68,323.48x = 102,415.14 × 26,192.20
  4. Step 4: Simplify right side
    68,323.48x = 2,682,477,829.91
  5. Step 5: Solve for x
    x = 2,682,477,829.91/68,323.48
  6. Step 6: Final answer
    x = 39,261.43

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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.