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Finding the Fourth Proportional to 93,139.62, 139,733.02 and 26,580

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Solution

The fourth proportional to 93,139.62, 139,733.02 and 26,580 is: 39,876.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,139.62 : 139,733.02 = 26,580 : x
  2. Step 2: Convert to fraction form
    93,139.62/139,733.02 = 26,580/x
  3. Step 3: Cross multiply
    93,139.62x = 139,733.02 × 26,580
  4. Step 4: Simplify right side
    93,139.62x = 3,714,103,671.60
  5. Step 5: Solve for x
    x = 3,714,103,671.60/93,139.62
  6. Step 6: Final answer
    x = 39,876.73

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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.