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Finding the Fourth Proportional to 77,565.54, 116,240.66 and 35,342.43

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Solution

The fourth proportional to 77,565.54, 116,240.66 and 35,342.43 is: 52,964.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,565.54 : 116,240.66 = 35,342.43 : x
  2. Step 2: Convert to fraction form
    77,565.54/116,240.66 = 35,342.43/x
  3. Step 3: Cross multiply
    77,565.54x = 116,240.66 × 35,342.43
  4. Step 4: Simplify right side
    77,565.54x = 4,108,227,300.85
  5. Step 5: Solve for x
    x = 4,108,227,300.85/77,565.54
  6. Step 6: Final answer
    x = 52,964.60

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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.