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Finding the Fourth Proportional to 308,201.16, 425,326.02 and 174,065.16

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Solution

The fourth proportional to 308,201.16, 425,326.02 and 174,065.16 is: 240,214.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,201.16 : 425,326.02 = 174,065.16 : x
  2. Step 2: Convert to fraction form
    308,201.16/425,326.02 = 174,065.16/x
  3. Step 3: Cross multiply
    308,201.16x = 425,326.02 × 174,065.16
  4. Step 4: Simplify right side
    308,201.16x = 74,034,441,723.46
  5. Step 5: Solve for x
    x = 74,034,441,723.46/308,201.16
  6. Step 6: Final answer
    x = 240,214.68

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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.