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Finding the Fourth Proportional to 192,116.16, 287,787.66 and 95,762.58

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Solution

The fourth proportional to 192,116.16, 287,787.66 and 95,762.58 is: 143,451.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,116.16 : 287,787.66 = 95,762.58 : x
  2. Step 2: Convert to fraction form
    192,116.16/287,787.66 = 95,762.58/x
  3. Step 3: Cross multiply
    192,116.16x = 287,787.66 × 95,762.58
  4. Step 4: Simplify right side
    192,116.16x = 27,559,288,813.76
  5. Step 5: Solve for x
    x = 27,559,288,813.76/192,116.16
  6. Step 6: Final answer
    x = 143,451.17

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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.