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Finding the Fourth Proportional to 170,026.61, 255,008.18 and 68,798.13

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Solution

The fourth proportional to 170,026.61, 255,008.18 and 68,798.13 is: 103,184.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,026.61 : 255,008.18 = 68,798.13 : x
  2. Step 2: Convert to fraction form
    170,026.61/255,008.18 = 68,798.13/x
  3. Step 3: Cross multiply
    170,026.61x = 255,008.18 × 68,798.13
  4. Step 4: Simplify right side
    170,026.61x = 17,544,086,090.70
  5. Step 5: Solve for x
    x = 17,544,086,090.70/170,026.61
  6. Step 6: Final answer
    x = 103,184.36

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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.