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Finding the Fourth Proportional to 60,199.79, 90,299.73 and 35,412.62

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Solution

The fourth proportional to 60,199.79, 90,299.73 and 35,412.62 is: 53,118.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,199.79 : 90,299.73 = 35,412.62 : x
  2. Step 2: Convert to fraction form
    60,199.79/90,299.73 = 35,412.62/x
  3. Step 3: Cross multiply
    60,199.79x = 90,299.73 × 35,412.62
  4. Step 4: Simplify right side
    60,199.79x = 3,197,750,024.59
  5. Step 5: Solve for x
    x = 3,197,750,024.59/60,199.79
  6. Step 6: Final answer
    x = 53,118.96

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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.