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Finding the Fourth Proportional to 209,898.80, 314,848.20 and 183,654.80

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Solution

The fourth proportional to 209,898.80, 314,848.20 and 183,654.80 is: 275,482.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,898.80 : 314,848.20 = 183,654.80 : x
  2. Step 2: Convert to fraction form
    209,898.80/314,848.20 = 183,654.80/x
  3. Step 3: Cross multiply
    209,898.80x = 314,848.20 × 183,654.80
  4. Step 4: Simplify right side
    209,898.80x = 57,823,383,201.36
  5. Step 5: Solve for x
    x = 57,823,383,201.36/209,898.80
  6. Step 6: Final answer
    x = 275,482.20

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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.