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Finding the Fourth Proportional to 125,859.81, 188,769.06 and 34,653.93

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Solution

The fourth proportional to 125,859.81, 188,769.06 and 34,653.93 is: 51,975.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,859.81 : 188,769.06 = 34,653.93 : x
  2. Step 2: Convert to fraction form
    125,859.81/188,769.06 = 34,653.93/x
  3. Step 3: Cross multiply
    125,859.81x = 188,769.06 × 34,653.93
  4. Step 4: Simplify right side
    125,859.81x = 6,541,590,629.24
  5. Step 5: Solve for x
    x = 6,541,590,629.24/125,859.81
  6. Step 6: Final answer
    x = 51,975.22

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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.