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Finding the Fourth Proportional to 199,616.80, 299,425.20 and 104,810.35

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Solution

The fourth proportional to 199,616.80, 299,425.20 and 104,810.35 is: 157,215.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,616.80 : 299,425.20 = 104,810.35 : x
  2. Step 2: Convert to fraction form
    199,616.80/299,425.20 = 104,810.35/x
  3. Step 3: Cross multiply
    199,616.80x = 299,425.20 × 104,810.35
  4. Step 4: Simplify right side
    199,616.80x = 31,382,860,010.82
  5. Step 5: Solve for x
    x = 31,382,860,010.82/199,616.80
  6. Step 6: Final answer
    x = 157,215.53

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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.