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Finding the Fourth Proportional to 119,783.60, 179,675.40 and 106,881.20

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Solution

The fourth proportional to 119,783.60, 179,675.40 and 106,881.20 is: 160,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,783.60 : 179,675.40 = 106,881.20 : x
  2. Step 2: Convert to fraction form
    119,783.60/179,675.40 = 106,881.20/x
  3. Step 3: Cross multiply
    119,783.60x = 179,675.40 × 106,881.20
  4. Step 4: Simplify right side
    119,783.60x = 19,203,922,362.48
  5. Step 5: Solve for x
    x = 19,203,922,362.48/119,783.60
  6. Step 6: Final answer
    x = 160,321.80

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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.