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Finding the Fourth Proportional to 245,094.80, 367,253.40 and 161,891.60

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Solution

The fourth proportional to 245,094.80, 367,253.40 and 161,891.60 is: 242,580.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,094.80 : 367,253.40 = 161,891.60 : x
  2. Step 2: Convert to fraction form
    245,094.80/367,253.40 = 161,891.60/x
  3. Step 3: Cross multiply
    245,094.80x = 367,253.40 × 161,891.60
  4. Step 4: Simplify right side
    245,094.80x = 59,455,240,531.44
  5. Step 5: Solve for x
    x = 59,455,240,531.44/245,094.80
  6. Step 6: Final answer
    x = 242,580.59

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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.