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Finding the Fourth Proportional to 86,672.22, 119,492.01 and 68,826.30

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Solution

The fourth proportional to 86,672.22, 119,492.01 and 68,826.30 is: 94,888.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,672.22 : 119,492.01 = 68,826.30 : x
  2. Step 2: Convert to fraction form
    86,672.22/119,492.01 = 68,826.30/x
  3. Step 3: Cross multiply
    86,672.22x = 119,492.01 × 68,826.30
  4. Step 4: Simplify right side
    86,672.22x = 8,224,192,927.86
  5. Step 5: Solve for x
    x = 8,224,192,927.86/86,672.22
  6. Step 6: Final answer
    x = 94,888.45

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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.