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Finding the Fourth Proportional to 73,384.51, 110,119.10 and 39,650.63

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Solution

The fourth proportional to 73,384.51, 110,119.10 and 39,650.63 is: 59,498.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,384.51 : 110,119.10 = 39,650.63 : x
  2. Step 2: Convert to fraction form
    73,384.51/110,119.10 = 39,650.63/x
  3. Step 3: Cross multiply
    73,384.51x = 110,119.10 × 39,650.63
  4. Step 4: Simplify right side
    73,384.51x = 4,366,290,941.18
  5. Step 5: Solve for x
    x = 4,366,290,941.18/73,384.51
  6. Step 6: Final answer
    x = 59,498.81

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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.