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Finding the Fourth Proportional to 93,308.70, 139,968.45 and 26,753.70

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Solution

The fourth proportional to 93,308.70, 139,968.45 and 26,753.70 is: 40,132.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,308.70 : 139,968.45 = 26,753.70 : x
  2. Step 2: Convert to fraction form
    93,308.70/139,968.45 = 26,753.70/x
  3. Step 3: Cross multiply
    93,308.70x = 139,968.45 × 26,753.70
  4. Step 4: Simplify right side
    93,308.70x = 3,744,673,920.77
  5. Step 5: Solve for x
    x = 3,744,673,920.77/93,308.70
  6. Step 6: Final answer
    x = 40,132.10

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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.