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Finding the Fourth Proportional to 242,790.94, 364,182.08 and 92,990.62

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Solution

The fourth proportional to 242,790.94, 364,182.08 and 92,990.62 is: 139,484.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,790.94 : 364,182.08 = 92,990.62 : x
  2. Step 2: Convert to fraction form
    242,790.94/364,182.08 = 92,990.62/x
  3. Step 3: Cross multiply
    242,790.94x = 364,182.08 × 92,990.62
  4. Step 4: Simplify right side
    242,790.94x = 33,865,517,412.09
  5. Step 5: Solve for x
    x = 33,865,517,412.09/242,790.94
  6. Step 6: Final answer
    x = 139,484.27

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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.