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Finding the Fourth Proportional to 200,253.72, 300,409.74 and 60,023.28

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Solution

The fourth proportional to 200,253.72, 300,409.74 and 60,023.28 is: 90,043.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,253.72 : 300,409.74 = 60,023.28 : x
  2. Step 2: Convert to fraction form
    200,253.72/300,409.74 = 60,023.28/x
  3. Step 3: Cross multiply
    200,253.72x = 300,409.74 × 60,023.28
  4. Step 4: Simplify right side
    200,253.72x = 18,031,577,938.75
  5. Step 5: Solve for x
    x = 18,031,577,938.75/200,253.72
  6. Step 6: Final answer
    x = 90,043.66

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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.