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Finding the Fourth Proportional to 199,613, 275,483.22 and 110,206.28

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Solution

The fourth proportional to 199,613, 275,483.22 and 110,206.28 is: 152,094.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,613 : 275,483.22 = 110,206.28 : x
  2. Step 2: Convert to fraction form
    199,613/275,483.22 = 110,206.28/x
  3. Step 3: Cross multiply
    199,613x = 275,483.22 × 110,206.28
  4. Step 4: Simplify right side
    199,613x = 30,359,980,878.62
  5. Step 5: Solve for x
    x = 30,359,980,878.62/199,613
  6. Step 6: Final answer
    x = 152,094.21

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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.