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Finding the Fourth Proportional to 105,794.66, 145,996.64 and 60,473.63

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Solution

The fourth proportional to 105,794.66, 145,996.64 and 60,473.63 is: 83,453.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,794.66 : 145,996.64 = 60,473.63 : x
  2. Step 2: Convert to fraction form
    105,794.66/145,996.64 = 60,473.63/x
  3. Step 3: Cross multiply
    105,794.66x = 145,996.64 × 60,473.63
  4. Step 4: Simplify right side
    105,794.66x = 8,828,946,530.52
  5. Step 5: Solve for x
    x = 8,828,946,530.52/105,794.66
  6. Step 6: Final answer
    x = 83,453.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.