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Finding the Fourth Proportional to 524,098.45, 786,185.27 and 139,845.29

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Solution

The fourth proportional to 524,098.45, 786,185.27 and 139,845.29 is: 209,777.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,098.45 : 786,185.27 = 139,845.29 : x
  2. Step 2: Convert to fraction form
    524,098.45/786,185.27 = 139,845.29/x
  3. Step 3: Cross multiply
    524,098.45x = 786,185.27 × 139,845.29
  4. Step 4: Simplify right side
    524,098.45x = 109,944,302,577.83
  5. Step 5: Solve for x
    x = 109,944,302,577.83/524,098.45
  6. Step 6: Final answer
    x = 209,777.96

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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.