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Finding the Fourth Proportional to 93,149.62, 139,712.88 and 26,595.58

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Solution

The fourth proportional to 93,149.62, 139,712.88 and 26,595.58 is: 39,890.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,149.62 : 139,712.88 = 26,595.58 : x
  2. Step 2: Convert to fraction form
    93,149.62/139,712.88 = 26,595.58/x
  3. Step 3: Cross multiply
    93,149.62x = 139,712.88 × 26,595.58
  4. Step 4: Simplify right side
    93,149.62x = 3,715,745,077.07
  5. Step 5: Solve for x
    x = 3,715,745,077.07/93,149.62
  6. Step 6: Final answer
    x = 39,890.07

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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.