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Finding the Fourth Proportional to 199,443.66, 275,233.86 and 108,800.34

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Solution

The fourth proportional to 199,443.66, 275,233.86 and 108,800.34 is: 150,145.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,443.66 : 275,233.86 = 108,800.34 : x
  2. Step 2: Convert to fraction form
    199,443.66/275,233.86 = 108,800.34/x
  3. Step 3: Cross multiply
    199,443.66x = 275,233.86 × 108,800.34
  4. Step 4: Simplify right side
    199,443.66x = 29,945,537,547.51
  5. Step 5: Solve for x
    x = 29,945,537,547.51/199,443.66
  6. Step 6: Final answer
    x = 150,145.35

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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.