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Finding the Fourth Proportional to 200,156.04, 300,352.46 and 73,884.20

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Solution

The fourth proportional to 200,156.04, 300,352.46 and 73,884.20 is: 110,870.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,156.04 : 300,352.46 = 73,884.20 : x
  2. Step 2: Convert to fraction form
    200,156.04/300,352.46 = 73,884.20/x
  3. Step 3: Cross multiply
    200,156.04x = 300,352.46 × 73,884.20
  4. Step 4: Simplify right side
    200,156.04x = 22,191,299,353.95
  5. Step 5: Solve for x
    x = 22,191,299,353.95/200,156.04
  6. Step 6: Final answer
    x = 110,870.00

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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.