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Finding the Fourth Proportional to 262,518.69, 393,859.75 and 94,040.46

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Solution

The fourth proportional to 262,518.69, 393,859.75 and 94,040.46 is: 141,089.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,518.69 : 393,859.75 = 94,040.46 : x
  2. Step 2: Convert to fraction form
    262,518.69/393,859.75 = 94,040.46/x
  3. Step 3: Cross multiply
    262,518.69x = 393,859.75 × 94,040.46
  4. Step 4: Simplify right side
    262,518.69x = 37,038,753,307.36
  5. Step 5: Solve for x
    x = 37,038,753,307.36/262,518.69
  6. Step 6: Final answer
    x = 141,089.96

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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.