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Finding the Fourth Proportional to 102,479.35, 153,736.53 and 35,007.66

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Solution

The fourth proportional to 102,479.35, 153,736.53 and 35,007.66 is: 52,517.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,479.35 : 153,736.53 = 35,007.66 : x
  2. Step 2: Convert to fraction form
    102,479.35/153,736.53 = 35,007.66/x
  3. Step 3: Cross multiply
    102,479.35x = 153,736.53 × 35,007.66
  4. Step 4: Simplify right side
    102,479.35x = 5,381,956,561.75
  5. Step 5: Solve for x
    x = 5,381,956,561.75/102,479.35
  6. Step 6: Final answer
    x = 52,517.48

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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.