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Finding the Fourth Proportional to 163,978.84, 226,293.68 and 92,361.41

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Solution

The fourth proportional to 163,978.84, 226,293.68 and 92,361.41 is: 127,460.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,978.84 : 226,293.68 = 92,361.41 : x
  2. Step 2: Convert to fraction form
    163,978.84/226,293.68 = 92,361.41/x
  3. Step 3: Cross multiply
    163,978.84x = 226,293.68 × 92,361.41
  4. Step 4: Simplify right side
    163,978.84x = 20,900,803,306.93
  5. Step 5: Solve for x
    x = 20,900,803,306.93/163,978.84
  6. Step 6: Final answer
    x = 127,460.37

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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.