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Finding the Fourth Proportional to 125,935.36, 188,882.53 and 51,052.48

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Solution

The fourth proportional to 125,935.36, 188,882.53 and 51,052.48 is: 76,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,935.36 : 188,882.53 = 51,052.48 : x
  2. Step 2: Convert to fraction form
    125,935.36/188,882.53 = 51,052.48/x
  3. Step 3: Cross multiply
    125,935.36x = 188,882.53 × 51,052.48
  4. Step 4: Simplify right side
    125,935.36x = 9,642,921,272.51
  5. Step 5: Solve for x
    x = 9,642,921,272.51/125,935.36
  6. Step 6: Final answer
    x = 76,570.40

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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.