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Finding the Fourth Proportional to 165,008.80, 247,075.80 and 130,016.80

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Solution

The fourth proportional to 165,008.80, 247,075.80 and 130,016.80 is: 194,680.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,008.80 : 247,075.80 = 130,016.80 : x
  2. Step 2: Convert to fraction form
    165,008.80/247,075.80 = 130,016.80/x
  3. Step 3: Cross multiply
    165,008.80x = 247,075.80 × 130,016.80
  4. Step 4: Simplify right side
    165,008.80x = 32,124,004,873.44
  5. Step 5: Solve for x
    x = 32,124,004,873.44/165,008.80
  6. Step 6: Final answer
    x = 194,680.56

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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.