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Finding the Fourth Proportional to 403,092.96, 604,440.72 and 136,756.32

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Solution

The fourth proportional to 403,092.96, 604,440.72 and 136,756.32 is: 205,067.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,092.96 : 604,440.72 = 136,756.32 : x
  2. Step 2: Convert to fraction form
    403,092.96/604,440.72 = 136,756.32/x
  3. Step 3: Cross multiply
    403,092.96x = 604,440.72 × 136,756.32
  4. Step 4: Simplify right side
    403,092.96x = 82,661,088,525.35
  5. Step 5: Solve for x
    x = 82,661,088,525.35/403,092.96
  6. Step 6: Final answer
    x = 205,067.06

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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.