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Finding the Fourth Proportional to 93,424.92, 140,292.90 and 92,699.16

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Solution

The fourth proportional to 93,424.92, 140,292.90 and 92,699.16 is: 139,203.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,424.92 : 140,292.90 = 92,699.16 : x
  2. Step 2: Convert to fraction form
    93,424.92/140,292.90 = 92,699.16/x
  3. Step 3: Cross multiply
    93,424.92x = 140,292.90 × 92,699.16
  4. Step 4: Simplify right side
    93,424.92x = 13,005,033,983.96
  5. Step 5: Solve for x
    x = 13,005,033,983.96/93,424.92
  6. Step 6: Final answer
    x = 139,203.05

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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.