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Finding the Fourth Proportional to 111,710.94, 167,513.76 and 40,583.41

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Solution

The fourth proportional to 111,710.94, 167,513.76 and 40,583.41 is: 60,855.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,710.94 : 167,513.76 = 40,583.41 : x
  2. Step 2: Convert to fraction form
    111,710.94/167,513.76 = 40,583.41/x
  3. Step 3: Cross multiply
    111,710.94x = 167,513.76 × 40,583.41
  4. Step 4: Simplify right side
    111,710.94x = 6,798,279,602.72
  5. Step 5: Solve for x
    x = 6,798,279,602.72/111,710.94
  6. Step 6: Final answer
    x = 60,855.99

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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.