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Finding the Fourth Proportional to 235,960.72, 353,857.70 and 76,030.26

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Solution

The fourth proportional to 235,960.72, 353,857.70 and 76,030.26 is: 114,018.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,960.72 : 353,857.70 = 76,030.26 : x
  2. Step 2: Convert to fraction form
    235,960.72/353,857.70 = 76,030.26/x
  3. Step 3: Cross multiply
    235,960.72x = 353,857.70 × 76,030.26
  4. Step 4: Simplify right side
    235,960.72x = 26,903,892,934.00
  5. Step 5: Solve for x
    x = 26,903,892,934.00/235,960.72
  6. Step 6: Final answer
    x = 114,018.52

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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.