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Finding the Fourth Proportional to 199,908.30, 299,862.45 and 106,596.30

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Solution

The fourth proportional to 199,908.30, 299,862.45 and 106,596.30 is: 159,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,908.30 : 299,862.45 = 106,596.30 : x
  2. Step 2: Convert to fraction form
    199,908.30/299,862.45 = 106,596.30/x
  3. Step 3: Cross multiply
    199,908.30x = 299,862.45 × 106,596.30
  4. Step 4: Simplify right side
    199,908.30x = 31,964,227,678.94
  5. Step 5: Solve for x
    x = 31,964,227,678.94/199,908.30
  6. Step 6: Final answer
    x = 159,894.45

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1.5x scale

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.