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Finding the Fourth Proportional to 105,482.66, 158,076.36 and 61,097.49

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Solution

The fourth proportional to 105,482.66, 158,076.36 and 61,097.49 is: 91,560.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,482.66 : 158,076.36 = 61,097.49 : x
  2. Step 2: Convert to fraction form
    105,482.66/158,076.36 = 61,097.49/x
  3. Step 3: Cross multiply
    105,482.66x = 158,076.36 × 61,097.49
  4. Step 4: Simplify right side
    105,482.66x = 9,658,068,824.34
  5. Step 5: Solve for x
    x = 9,658,068,824.34/105,482.66
  6. Step 6: Final answer
    x = 91,560.73

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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.