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Finding the Fourth Proportional to 93,083.80, 139,625.70 and 93,083.80

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Solution

The fourth proportional to 93,083.80, 139,625.70 and 93,083.80 is: 139,625.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,083.80 : 139,625.70 = 93,083.80 : x
  2. Step 2: Convert to fraction form
    93,083.80/139,625.70 = 93,083.80/x
  3. Step 3: Cross multiply
    93,083.80x = 139,625.70 × 93,083.80
  4. Step 4: Simplify right side
    93,083.80x = 12,996,890,733.66
  5. Step 5: Solve for x
    x = 12,996,890,733.66/93,083.80
  6. Step 6: Final answer
    x = 139,625.70

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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.