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Finding the Fourth Proportional to 93,662.46, 140,492.93 and 40,392.11

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Solution

The fourth proportional to 93,662.46, 140,492.93 and 40,392.11 is: 60,587.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,662.46 : 140,492.93 = 40,392.11 : x
  2. Step 2: Convert to fraction form
    93,662.46/140,492.93 = 40,392.11/x
  3. Step 3: Cross multiply
    93,662.46x = 140,492.93 × 40,392.11
  4. Step 4: Simplify right side
    93,662.46x = 5,674,804,978.36
  5. Step 5: Solve for x
    x = 5,674,804,978.36/93,662.46
  6. Step 6: Final answer
    x = 60,587.83

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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.