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Finding the Fourth Proportional to 189,304.40, 283,895.18 and 62,910.68

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Solution

The fourth proportional to 189,304.40, 283,895.18 and 62,910.68 is: 94,345.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,304.40 : 283,895.18 = 62,910.68 : x
  2. Step 2: Convert to fraction form
    189,304.40/283,895.18 = 62,910.68/x
  3. Step 3: Cross multiply
    189,304.40x = 283,895.18 × 62,910.68
  4. Step 4: Simplify right side
    189,304.40x = 17,860,038,822.52
  5. Step 5: Solve for x
    x = 17,860,038,822.52/189,304.40
  6. Step 6: Final answer
    x = 94,345.61

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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.