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Finding the Fourth Proportional to 310,118.86, 427,841.89 and 179,210.13

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Solution

The fourth proportional to 310,118.86, 427,841.89 and 179,210.13 is: 247,239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,118.86 : 427,841.89 = 179,210.13 : x
  2. Step 2: Convert to fraction form
    310,118.86/427,841.89 = 179,210.13/x
  3. Step 3: Cross multiply
    310,118.86x = 427,841.89 × 179,210.13
  4. Step 4: Simplify right side
    310,118.86x = 76,673,600,726.35
  5. Step 5: Solve for x
    x = 76,673,600,726.35/310,118.86
  6. Step 6: Final answer
    x = 247,239.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.