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Finding the Fourth Proportional to 345,934.98, 518,859.48 and 93,235.23

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Solution

The fourth proportional to 345,934.98, 518,859.48 and 93,235.23 is: 139,841.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,934.98 : 518,859.48 = 93,235.23 : x
  2. Step 2: Convert to fraction form
    345,934.98/518,859.48 = 93,235.23/x
  3. Step 3: Cross multiply
    345,934.98x = 518,859.48 × 93,235.23
  4. Step 4: Simplify right side
    345,934.98x = 48,375,982,955.48
  5. Step 5: Solve for x
    x = 48,375,982,955.48/345,934.98
  6. Step 6: Final answer
    x = 139,841.26

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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.