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Finding the Fourth Proportional to 84,463.40, 126,730.42 and 37,054.04

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Solution

The fourth proportional to 84,463.40, 126,730.42 and 37,054.04 is: 55,596.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,463.40 : 126,730.42 = 37,054.04 : x
  2. Step 2: Convert to fraction form
    84,463.40/126,730.42 = 37,054.04/x
  3. Step 3: Cross multiply
    84,463.40x = 126,730.42 × 37,054.04
  4. Step 4: Simplify right side
    84,463.40x = 4,695,873,325.61
  5. Step 5: Solve for x
    x = 4,695,873,325.61/84,463.40
  6. Step 6: Final answer
    x = 55,596.54

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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.