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Finding the Fourth Proportional to 68,254.41, 102,381.63 and 26,672.25

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Solution

The fourth proportional to 68,254.41, 102,381.63 and 26,672.25 is: 40,008.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,254.41 : 102,381.63 = 26,672.25 : x
  2. Step 2: Convert to fraction form
    68,254.41/102,381.63 = 26,672.25/x
  3. Step 3: Cross multiply
    68,254.41x = 102,381.63 × 26,672.25
  4. Step 4: Simplify right side
    68,254.41x = 2,730,748,430.77
  5. Step 5: Solve for x
    x = 2,730,748,430.77/68,254.41
  6. Step 6: Final answer
    x = 40,008.38

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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.