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Finding the Fourth Proportional to 197,164.80, 295,779.60 and 84,898.80

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Solution

The fourth proportional to 197,164.80, 295,779.60 and 84,898.80 is: 127,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,164.80 : 295,779.60 = 84,898.80 : x
  2. Step 2: Convert to fraction form
    197,164.80/295,779.60 = 84,898.80/x
  3. Step 3: Cross multiply
    197,164.80x = 295,779.60 × 84,898.80
  4. Step 4: Simplify right side
    197,164.80x = 25,111,333,104.48
  5. Step 5: Solve for x
    x = 25,111,333,104.48/197,164.80
  6. Step 6: Final answer
    x = 127,362.15

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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.