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Finding the Fourth Proportional to 192,627.94, 265,808.45 and 130,411.87

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Solution

The fourth proportional to 192,627.94, 265,808.45 and 130,411.87 is: 179,956.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,627.94 : 265,808.45 = 130,411.87 : x
  2. Step 2: Convert to fraction form
    192,627.94/265,808.45 = 130,411.87/x
  3. Step 3: Cross multiply
    192,627.94x = 265,808.45 × 130,411.87
  4. Step 4: Simplify right side
    192,627.94x = 34,664,576,687.81
  5. Step 5: Solve for x
    x = 34,664,576,687.81/192,627.94
  6. Step 6: Final answer
    x = 179,956.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.