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Finding the Fourth Proportional to 200,341.92, 300,561.48 and 60,100.55

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Solution

The fourth proportional to 200,341.92, 300,561.48 and 60,100.55 is: 90,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,341.92 : 300,561.48 = 60,100.55 : x
  2. Step 2: Convert to fraction form
    200,341.92/300,561.48 = 60,100.55/x
  3. Step 3: Cross multiply
    200,341.92x = 300,561.48 × 60,100.55
  4. Step 4: Simplify right side
    200,341.92x = 18,063,908,754.01
  5. Step 5: Solve for x
    x = 18,063,908,754.01/200,341.92
  6. Step 6: Final answer
    x = 90,165.40

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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.