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Finding the Fourth Proportional to 199,277.10, 279,195.30 and 199,277.10

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Solution

The fourth proportional to 199,277.10, 279,195.30 and 199,277.10 is: 279,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,277.10 : 279,195.30 = 199,277.10 : x
  2. Step 2: Convert to fraction form
    199,277.10/279,195.30 = 199,277.10/x
  3. Step 3: Cross multiply
    199,277.10x = 279,195.30 × 199,277.10
  4. Step 4: Simplify right side
    199,277.10x = 55,637,229,717.63
  5. Step 5: Solve for x
    x = 55,637,229,717.63/199,277.10
  6. Step 6: Final answer
    x = 279,195.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.