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Finding the Fourth Proportional to 195,055.68, 292,583.52 and 68,666.16

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Solution

The fourth proportional to 195,055.68, 292,583.52 and 68,666.16 is: 102,999.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,055.68 : 292,583.52 = 68,666.16 : x
  2. Step 2: Convert to fraction form
    195,055.68/292,583.52 = 68,666.16/x
  3. Step 3: Cross multiply
    195,055.68x = 292,583.52 × 68,666.16
  4. Step 4: Simplify right side
    195,055.68x = 20,090,586,797.68
  5. Step 5: Solve for x
    x = 20,090,586,797.68/195,055.68
  6. Step 6: Final answer
    x = 102,999.24

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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.