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Finding the Fourth Proportional to 200,589.32, 300,903.96 and 74,263.34

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Solution

The fourth proportional to 200,589.32, 300,903.96 and 74,263.34 is: 111,402.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,589.32 : 300,903.96 = 74,263.34 : x
  2. Step 2: Convert to fraction form
    200,589.32/300,903.96 = 74,263.34/x
  3. Step 3: Cross multiply
    200,589.32x = 300,903.96 × 74,263.34
  4. Step 4: Simplify right side
    200,589.32x = 22,346,133,088.83
  5. Step 5: Solve for x
    x = 22,346,133,088.83/200,589.32
  6. Step 6: Final answer
    x = 111,402.41

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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.