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Finding the Fourth Proportional to 127,880.50, 191,848.44 and 48,994.73

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Solution

The fourth proportional to 127,880.50, 191,848.44 and 48,994.73 is: 73,502.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,880.50 : 191,848.44 = 48,994.73 : x
  2. Step 2: Convert to fraction form
    127,880.50/191,848.44 = 48,994.73/x
  3. Step 3: Cross multiply
    127,880.50x = 191,848.44 × 48,994.73
  4. Step 4: Simplify right side
    127,880.50x = 9,399,562,518.72
  5. Step 5: Solve for x
    x = 9,399,562,518.72/127,880.50
  6. Step 6: Final answer
    x = 73,502.70

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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.