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Finding the Fourth Proportional to 93,795.96, 140,678.74 and 34,659.48

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Solution

The fourth proportional to 93,795.96, 140,678.74 and 34,659.48 is: 51,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,795.96 : 140,678.74 = 34,659.48 : x
  2. Step 2: Convert to fraction form
    93,795.96/140,678.74 = 34,659.48/x
  3. Step 3: Cross multiply
    93,795.96x = 140,678.74 × 34,659.48
  4. Step 4: Simplify right side
    93,795.96x = 4,875,851,975.46
  5. Step 5: Solve for x
    x = 4,875,851,975.46/93,795.96
  6. Step 6: Final answer
    x = 51,983.60

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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.