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Finding the Fourth Proportional to 199,714.65, 275,605.56 and 119,145.57

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Solution

The fourth proportional to 199,714.65, 275,605.56 and 119,145.57 is: 164,420.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,714.65 : 275,605.56 = 119,145.57 : x
  2. Step 2: Convert to fraction form
    199,714.65/275,605.56 = 119,145.57/x
  3. Step 3: Cross multiply
    199,714.65x = 275,605.56 × 119,145.57
  4. Step 4: Simplify right side
    199,714.65x = 32,837,181,541.37
  5. Step 5: Solve for x
    x = 32,837,181,541.37/199,714.65
  6. Step 6: Final answer
    x = 164,420.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.