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Finding the Fourth Proportional to 193,303.99, 289,986.63 and 60,214.78

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Solution

The fourth proportional to 193,303.99, 289,986.63 and 60,214.78 is: 90,331.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,303.99 : 289,986.63 = 60,214.78 : x
  2. Step 2: Convert to fraction form
    193,303.99/289,986.63 = 60,214.78/x
  3. Step 3: Cross multiply
    193,303.99x = 289,986.63 × 60,214.78
  4. Step 4: Simplify right side
    193,303.99x = 17,461,481,128.39
  5. Step 5: Solve for x
    x = 17,461,481,128.39/193,303.99
  6. Step 6: Final answer
    x = 90,331.72

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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.