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Finding the Fourth Proportional to 189,068.91, 283,506.90 and 62,664.15

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Solution

The fourth proportional to 189,068.91, 283,506.90 and 62,664.15 is: 93,964.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,068.91 : 283,506.90 = 62,664.15 : x
  2. Step 2: Convert to fraction form
    189,068.91/283,506.90 = 62,664.15/x
  3. Step 3: Cross multiply
    189,068.91x = 283,506.90 × 62,664.15
  4. Step 4: Simplify right side
    189,068.91x = 17,765,718,907.64
  5. Step 5: Solve for x
    x = 17,765,718,907.64/189,068.91
  6. Step 6: Final answer
    x = 93,964.25

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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.