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Finding the Fourth Proportional to 200,010.63, 276,014.65 and 109,366.66

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Solution

The fourth proportional to 200,010.63, 276,014.65 and 109,366.66 is: 150,925.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,010.63 : 276,014.65 = 109,366.66 : x
  2. Step 2: Convert to fraction form
    200,010.63/276,014.65 = 109,366.66/x
  3. Step 3: Cross multiply
    200,010.63x = 276,014.65 × 109,366.66
  4. Step 4: Simplify right side
    200,010.63x = 30,186,799,418.12
  5. Step 5: Solve for x
    x = 30,186,799,418.12/200,010.63
  6. Step 6: Final answer
    x = 150,925.97

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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.