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Finding the Fourth Proportional to 235,360.77, 353,032.91 and 75,434.34

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Solution

The fourth proportional to 235,360.77, 353,032.91 and 75,434.34 is: 113,148.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,360.77 : 353,032.91 = 75,434.34 : x
  2. Step 2: Convert to fraction form
    235,360.77/353,032.91 = 75,434.34/x
  3. Step 3: Cross multiply
    235,360.77x = 353,032.91 × 75,434.34
  4. Step 4: Simplify right side
    235,360.77x = 26,630,804,186.96
  5. Step 5: Solve for x
    x = 26,630,804,186.96/235,360.77
  6. Step 6: Final answer
    x = 113,148.87

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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.