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Finding the Fourth Proportional to 200,599.20, 276,600.02 and 127,905.08

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Solution

The fourth proportional to 200,599.20, 276,600.02 and 127,905.08 is: 176,364.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,599.20 : 276,600.02 = 127,905.08 : x
  2. Step 2: Convert to fraction form
    200,599.20/276,600.02 = 127,905.08/x
  3. Step 3: Cross multiply
    200,599.20x = 276,600.02 × 127,905.08
  4. Step 4: Simplify right side
    200,599.20x = 35,378,545,663.58
  5. Step 5: Solve for x
    x = 35,378,545,663.58/200,599.20
  6. Step 6: Final answer
    x = 176,364.34

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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.