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Finding the Fourth Proportional to 93,113.31, 139,691.84 and 26,554.40

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Solution

The fourth proportional to 93,113.31, 139,691.84 and 26,554.40 is: 39,837.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,113.31 : 139,691.84 = 26,554.40 : x
  2. Step 2: Convert to fraction form
    93,113.31/139,691.84 = 26,554.40/x
  3. Step 3: Cross multiply
    93,113.31x = 139,691.84 × 26,554.40
  4. Step 4: Simplify right side
    93,113.31x = 3,709,432,164.86
  5. Step 5: Solve for x
    x = 3,709,432,164.86/93,113.31
  6. Step 6: Final answer
    x = 39,837.83

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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.