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Finding the Fourth Proportional to 195,010.68, 292,516.02 and 68,621.16

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Solution

The fourth proportional to 195,010.68, 292,516.02 and 68,621.16 is: 102,931.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,010.68 : 292,516.02 = 68,621.16 : x
  2. Step 2: Convert to fraction form
    195,010.68/292,516.02 = 68,621.16/x
  3. Step 3: Cross multiply
    195,010.68x = 292,516.02 × 68,621.16
  4. Step 4: Simplify right side
    195,010.68x = 20,072,788,610.98
  5. Step 5: Solve for x
    x = 20,072,788,610.98/195,010.68
  6. Step 6: Final answer
    x = 102,931.74

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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.