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Finding the Fourth Proportional to 192,718, 288,955.50 and 92,903.32

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Solution

The fourth proportional to 192,718, 288,955.50 and 92,903.32 is: 139,296.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,718 : 288,955.50 = 92,903.32 : x
  2. Step 2: Convert to fraction form
    192,718/288,955.50 = 92,903.32/x
  3. Step 3: Cross multiply
    192,718x = 288,955.50 × 92,903.32
  4. Step 4: Simplify right side
    192,718x = 26,844,925,282.26
  5. Step 5: Solve for x
    x = 26,844,925,282.26/192,718
  6. Step 6: Final answer
    x = 139,296.41

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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.