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Finding the Fourth Proportional to 150,637.95, 207,873.39 and 82,653.21

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Solution

The fourth proportional to 150,637.95, 207,873.39 and 82,653.21 is: 114,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,637.95 : 207,873.39 = 82,653.21 : x
  2. Step 2: Convert to fraction form
    150,637.95/207,873.39 = 82,653.21/x
  3. Step 3: Cross multiply
    150,637.95x = 207,873.39 × 82,653.21
  4. Step 4: Simplify right side
    150,637.95x = 17,181,402,957.08
  5. Step 5: Solve for x
    x = 17,181,402,957.08/150,637.95
  6. Step 6: Final answer
    x = 114,057.60

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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.