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Finding the Fourth Proportional to 195,046.68, 292,570.02 and 68,657.16

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Solution

The fourth proportional to 195,046.68, 292,570.02 and 68,657.16 is: 102,985.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,046.68 : 292,570.02 = 68,657.16 : x
  2. Step 2: Convert to fraction form
    195,046.68/292,570.02 = 68,657.16/x
  3. Step 3: Cross multiply
    195,046.68x = 292,570.02 × 68,657.16
  4. Step 4: Simplify right side
    195,046.68x = 20,087,026,674.34
  5. Step 5: Solve for x
    x = 20,087,026,674.34/195,046.68
  6. Step 6: Final answer
    x = 102,985.74

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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.