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Finding the Fourth Proportional to 350,758.81, 526,008.30 and 126,058.69

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Solution

The fourth proportional to 350,758.81, 526,008.30 and 126,058.69 is: 189,041.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,758.81 : 526,008.30 = 126,058.69 : x
  2. Step 2: Convert to fraction form
    350,758.81/526,008.30 = 126,058.69/x
  3. Step 3: Cross multiply
    350,758.81x = 526,008.30 × 126,058.69
  4. Step 4: Simplify right side
    350,758.81x = 66,307,917,227.13
  5. Step 5: Solve for x
    x = 66,307,917,227.13/350,758.81
  6. Step 6: Final answer
    x = 189,041.35

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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.