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Finding the Fourth Proportional to 92,903.31, 139,354.92 and 26,344.01

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Solution

The fourth proportional to 92,903.31, 139,354.92 and 26,344.01 is: 39,516.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,903.31 : 139,354.92 = 26,344.01 : x
  2. Step 2: Convert to fraction form
    92,903.31/139,354.92 = 26,344.01/x
  3. Step 3: Cross multiply
    92,903.31x = 139,354.92 × 26,344.01
  4. Step 4: Simplify right side
    92,903.31x = 3,671,167,754.42
  5. Step 5: Solve for x
    x = 3,671,167,754.42/92,903.31
  6. Step 6: Final answer
    x = 39,516.01

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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.