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Finding the Fourth Proportional to 201,343.20, 302,014.80 and 181,298.40

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Solution

The fourth proportional to 201,343.20, 302,014.80 and 181,298.40 is: 271,947.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,343.20 : 302,014.80 = 181,298.40 : x
  2. Step 2: Convert to fraction form
    201,343.20/302,014.80 = 181,298.40/x
  3. Step 3: Cross multiply
    201,343.20x = 302,014.80 × 181,298.40
  4. Step 4: Simplify right side
    201,343.20x = 54,754,800,016.32
  5. Step 5: Solve for x
    x = 54,754,800,016.32/201,343.20
  6. Step 6: Final answer
    x = 271,947.60

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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.