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Finding the Fourth Proportional to 88,739.63, 133,031.68 and 33,374.51

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Solution

The fourth proportional to 88,739.63, 133,031.68 and 33,374.51 is: 50,032.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,739.63 : 133,031.68 = 33,374.51 : x
  2. Step 2: Convert to fraction form
    88,739.63/133,031.68 = 33,374.51/x
  3. Step 3: Cross multiply
    88,739.63x = 133,031.68 × 33,374.51
  4. Step 4: Simplify right side
    88,739.63x = 4,439,867,134.48
  5. Step 5: Solve for x
    x = 4,439,867,134.48/88,739.63
  6. Step 6: Final answer
    x = 50,032.52

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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.