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Finding the Fourth Proportional to 154,794.98, 213,619.24 and 93,532.66

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Solution

The fourth proportional to 154,794.98, 213,619.24 and 93,532.66 is: 129,076.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,794.98 : 213,619.24 = 93,532.66 : x
  2. Step 2: Convert to fraction form
    154,794.98/213,619.24 = 93,532.66/x
  3. Step 3: Cross multiply
    154,794.98x = 213,619.24 × 93,532.66
  4. Step 4: Simplify right side
    154,794.98x = 19,980,376,805.71
  5. Step 5: Solve for x
    x = 19,980,376,805.71/154,794.98
  6. Step 6: Final answer
    x = 129,076.39

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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.