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Finding the Fourth Proportional to 192,004.31, 265,065.57 and 140,263.31

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Solution

The fourth proportional to 192,004.31, 265,065.57 and 140,263.31 is: 193,636.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,004.31 : 265,065.57 = 140,263.31 : x
  2. Step 2: Convert to fraction form
    192,004.31/265,065.57 = 140,263.31/x
  3. Step 3: Cross multiply
    192,004.31x = 265,065.57 × 140,263.31
  4. Step 4: Simplify right side
    192,004.31x = 37,178,974,877.90
  5. Step 5: Solve for x
    x = 37,178,974,877.90/192,004.31
  6. Step 6: Final answer
    x = 193,636.14

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1.5x scale

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.