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Finding the Fourth Proportional to 259,161.39, 357,643.32 and 145,984.14

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Solution

The fourth proportional to 259,161.39, 357,643.32 and 145,984.14 is: 201,458.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,161.39 : 357,643.32 = 145,984.14 : x
  2. Step 2: Convert to fraction form
    259,161.39/357,643.32 = 145,984.14/x
  3. Step 3: Cross multiply
    259,161.39x = 357,643.32 × 145,984.14
  4. Step 4: Simplify right side
    259,161.39x = 52,210,252,496.94
  5. Step 5: Solve for x
    x = 52,210,252,496.94/259,161.39
  6. Step 6: Final answer
    x = 201,458.45

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