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Finding the Fourth Proportional to 68,446, 94,457.51 and 38,232.60

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Solution

The fourth proportional to 68,446, 94,457.51 and 38,232.60 is: 52,762.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,446 : 94,457.51 = 38,232.60 : x
  2. Step 2: Convert to fraction form
    68,446/94,457.51 = 38,232.60/x
  3. Step 3: Cross multiply
    68,446x = 94,457.51 × 38,232.60
  4. Step 4: Simplify right side
    68,446x = 3,611,356,196.83
  5. Step 5: Solve for x
    x = 3,611,356,196.83/68,446
  6. Step 6: Final answer
    x = 52,762.12

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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.