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Finding the Fourth Proportional to 245,080.80, 367,621.20 and 97,336.80

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Solution

The fourth proportional to 245,080.80, 367,621.20 and 97,336.80 is: 146,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,080.80 : 367,621.20 = 97,336.80 : x
  2. Step 2: Convert to fraction form
    245,080.80/367,621.20 = 97,336.80/x
  3. Step 3: Cross multiply
    245,080.80x = 367,621.20 × 97,336.80
  4. Step 4: Simplify right side
    245,080.80x = 35,783,071,220.16
  5. Step 5: Solve for x
    x = 35,783,071,220.16/245,080.80
  6. Step 6: Final answer
    x = 146,005.20

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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.