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Finding the Fourth Proportional to 189,674.76, 261,756.48 and 104,797.32

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Solution

The fourth proportional to 189,674.76, 261,756.48 and 104,797.32 is: 144,623.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,674.76 : 261,756.48 = 104,797.32 : x
  2. Step 2: Convert to fraction form
    189,674.76/261,756.48 = 104,797.32/x
  3. Step 3: Cross multiply
    189,674.76x = 261,756.48 × 104,797.32
  4. Step 4: Simplify right side
    189,674.76x = 27,431,377,596.63
  5. Step 5: Solve for x
    x = 27,431,377,596.63/189,674.76
  6. Step 6: Final answer
    x = 144,623.24

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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.