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Finding the Fourth Proportional to 119,783.70, 179,675.55 and 110,106.90

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Solution

The fourth proportional to 119,783.70, 179,675.55 and 110,106.90 is: 165,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,783.70 : 179,675.55 = 110,106.90 : x
  2. Step 2: Convert to fraction form
    119,783.70/179,675.55 = 110,106.90/x
  3. Step 3: Cross multiply
    119,783.70x = 179,675.55 × 110,106.90
  4. Step 4: Simplify right side
    119,783.70x = 19,783,517,816.30
  5. Step 5: Solve for x
    x = 19,783,517,816.30/119,783.70
  6. Step 6: Final answer
    x = 165,160.35

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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.