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Finding the Fourth Proportional to 368,026.17, 552,039.21 and 118,708.17

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Solution

The fourth proportional to 368,026.17, 552,039.21 and 118,708.17 is: 178,062.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,026.17 : 552,039.21 = 118,708.17 : x
  2. Step 2: Convert to fraction form
    368,026.17/552,039.21 = 118,708.17/x
  3. Step 3: Cross multiply
    368,026.17x = 552,039.21 × 118,708.17
  4. Step 4: Simplify right side
    368,026.17x = 65,531,564,387.35
  5. Step 5: Solve for x
    x = 65,531,564,387.35/368,026.17
  6. Step 6: Final answer
    x = 178,062.24

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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.