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Finding the Fourth Proportional to 200,577.59, 276,827.57 and 128,011.79

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Solution

The fourth proportional to 200,577.59, 276,827.57 and 128,011.79 is: 176,675.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,577.59 : 276,827.57 = 128,011.79 : x
  2. Step 2: Convert to fraction form
    200,577.59/276,827.57 = 128,011.79/x
  3. Step 3: Cross multiply
    200,577.59x = 276,827.57 × 128,011.79
  4. Step 4: Simplify right side
    200,577.59x = 35,437,190,732.85
  5. Step 5: Solve for x
    x = 35,437,190,732.85/200,577.59
  6. Step 6: Final answer
    x = 176,675.73

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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.