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Finding the Fourth Proportional to 109,771.84, 151,485.08 and 59,470.84

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Solution

The fourth proportional to 109,771.84, 151,485.08 and 59,470.84 is: 82,069.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,771.84 : 151,485.08 = 59,470.84 : x
  2. Step 2: Convert to fraction form
    109,771.84/151,485.08 = 59,470.84/x
  3. Step 3: Cross multiply
    109,771.84x = 151,485.08 × 59,470.84
  4. Step 4: Simplify right side
    109,771.84x = 9,008,944,955.07
  5. Step 5: Solve for x
    x = 9,008,944,955.07/109,771.84
  6. Step 6: Final answer
    x = 82,069.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.