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Finding the Fourth Proportional to 192,505.78, 265,653.57 and 107,630.74

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Solution

The fourth proportional to 192,505.78, 265,653.57 and 107,630.74 is: 148,527.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,505.78 : 265,653.57 = 107,630.74 : x
  2. Step 2: Convert to fraction form
    192,505.78/265,653.57 = 107,630.74/x
  3. Step 3: Cross multiply
    192,505.78x = 265,653.57 × 107,630.74
  4. Step 4: Simplify right side
    192,505.78x = 28,592,490,322.74
  5. Step 5: Solve for x
    x = 28,592,490,322.74/192,505.78
  6. Step 6: Final answer
    x = 148,527.96

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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.