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Finding the Fourth Proportional to 248,052.20, 371,300.70 and 178,068.20

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Solution

The fourth proportional to 248,052.20, 371,300.70 and 178,068.20 is: 266,544.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,052.20 : 371,300.70 = 178,068.20 : x
  2. Step 2: Convert to fraction form
    248,052.20/371,300.70 = 178,068.20/x
  3. Step 3: Cross multiply
    248,052.20x = 371,300.70 × 178,068.20
  4. Step 4: Simplify right side
    248,052.20x = 66,116,847,307.74
  5. Step 5: Solve for x
    x = 66,116,847,307.74/248,052.20
  6. Step 6: Final answer
    x = 266,544.09

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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.