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Finding the Fourth Proportional to 198,334.40, 297,248.88 and 92,921.12

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Solution

The fourth proportional to 198,334.40, 297,248.88 and 92,921.12 is: 139,263.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,334.40 : 297,248.88 = 92,921.12 : x
  2. Step 2: Convert to fraction form
    198,334.40/297,248.88 = 92,921.12/x
  3. Step 3: Cross multiply
    198,334.40x = 297,248.88 × 92,921.12
  4. Step 4: Simplify right side
    198,334.40x = 27,620,698,848.35
  5. Step 5: Solve for x
    x = 27,620,698,848.35/198,334.40
  6. Step 6: Final answer
    x = 139,263.28

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1.5x scale

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.