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Finding the Fourth Proportional to 259,373.69, 357,935.70 and 140,141.69

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Solution

The fourth proportional to 259,373.69, 357,935.70 and 140,141.69 is: 193,395.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,373.69 : 357,935.70 = 140,141.69 : x
  2. Step 2: Convert to fraction form
    259,373.69/357,935.70 = 140,141.69/x
  3. Step 3: Cross multiply
    259,373.69x = 357,935.70 × 140,141.69
  4. Step 4: Simplify right side
    259,373.69x = 50,161,713,909.33
  5. Step 5: Solve for x
    x = 50,161,713,909.33/259,373.69
  6. Step 6: Final answer
    x = 193,395.54

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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.