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Finding the Fourth Proportional to 100,846.94, 151,069.93 and 92,580.08

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Solution

The fourth proportional to 100,846.94, 151,069.93 and 92,580.08 is: 138,686.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,846.94 : 151,069.93 = 92,580.08 : x
  2. Step 2: Convert to fraction form
    100,846.94/151,069.93 = 92,580.08/x
  3. Step 3: Cross multiply
    100,846.94x = 151,069.93 × 92,580.08
  4. Step 4: Simplify right side
    100,846.94x = 13,986,065,218.19
  5. Step 5: Solve for x
    x = 13,986,065,218.19/100,846.94
  6. Step 6: Final answer
    x = 138,686.07

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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.