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Finding the Fourth Proportional to 254,653.66, 381,980.55 and 94,708.69

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Solution

The fourth proportional to 254,653.66, 381,980.55 and 94,708.69 is: 142,063.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,653.66 : 381,980.55 = 94,708.69 : x
  2. Step 2: Convert to fraction form
    254,653.66/381,980.55 = 94,708.69/x
  3. Step 3: Cross multiply
    254,653.66x = 381,980.55 × 94,708.69
  4. Step 4: Simplify right side
    254,653.66x = 36,176,877,495.98
  5. Step 5: Solve for x
    x = 36,176,877,495.98/254,653.66
  6. Step 6: Final answer
    x = 142,063.06

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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.