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Finding the Fourth Proportional to 84,990.58, 127,501.36 and 35,042.94

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Solution

The fourth proportional to 84,990.58, 127,501.36 and 35,042.94 is: 52,570.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,990.58 : 127,501.36 = 35,042.94 : x
  2. Step 2: Convert to fraction form
    84,990.58/127,501.36 = 35,042.94/x
  3. Step 3: Cross multiply
    84,990.58x = 127,501.36 × 35,042.94
  4. Step 4: Simplify right side
    84,990.58x = 4,468,022,420.79
  5. Step 5: Solve for x
    x = 4,468,022,420.79/84,990.58
  6. Step 6: Final answer
    x = 52,570.80

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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.