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Finding the Fourth Proportional to 200,592.64, 276,848.34 and 128,026.88

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Solution

The fourth proportional to 200,592.64, 276,848.34 and 128,026.88 is: 176,696.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,592.64 : 276,848.34 = 128,026.88 : x
  2. Step 2: Convert to fraction form
    200,592.64/276,848.34 = 128,026.88/x
  3. Step 3: Cross multiply
    200,592.64x = 276,848.34 × 128,026.88
  4. Step 4: Simplify right side
    200,592.64x = 35,444,029,203.38
  5. Step 5: Solve for x
    x = 35,444,029,203.38/200,592.64
  6. Step 6: Final answer
    x = 176,696.56

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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.