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Finding the Fourth Proportional to 555,388.82, 833,111.76 and 156,060.73

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Solution

The fourth proportional to 555,388.82, 833,111.76 and 156,060.73 is: 234,099.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,388.82 : 833,111.76 = 156,060.73 : x
  2. Step 2: Convert to fraction form
    555,388.82/833,111.76 = 156,060.73/x
  3. Step 3: Cross multiply
    555,388.82x = 833,111.76 × 156,060.73
  4. Step 4: Simplify right side
    555,388.82x = 130,016,029,437.19
  5. Step 5: Solve for x
    x = 130,016,029,437.19/555,388.82
  6. Step 6: Final answer
    x = 234,099.11

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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.