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Finding the Fourth Proportional to 245,871.06, 368,573.31 and 88,018.26

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Solution

The fourth proportional to 245,871.06, 368,573.31 and 88,018.26 is: 131,943.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,871.06 : 368,573.31 = 88,018.26 : x
  2. Step 2: Convert to fraction form
    245,871.06/368,573.31 = 88,018.26/x
  3. Step 3: Cross multiply
    245,871.06x = 368,573.31 × 88,018.26
  4. Step 4: Simplify right side
    245,871.06x = 32,441,181,428.64
  5. Step 5: Solve for x
    x = 32,441,181,428.64/245,871.06
  6. Step 6: Final answer
    x = 131,943.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.