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Finding the Fourth Proportional to 113,289.98, 169,953.32 and 37,365.84

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Solution

The fourth proportional to 113,289.98, 169,953.32 and 37,365.84 is: 56,054.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,289.98 : 169,953.32 = 37,365.84 : x
  2. Step 2: Convert to fraction form
    113,289.98/169,953.32 = 37,365.84/x
  3. Step 3: Cross multiply
    113,289.98x = 169,953.32 × 37,365.84
  4. Step 4: Simplify right side
    113,289.98x = 6,350,448,375.76
  5. Step 5: Solve for x
    x = 6,350,448,375.76/113,289.98
  6. Step 6: Final answer
    x = 56,054.81

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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.