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Finding the Fourth Proportional to 200,646.58, 276,665.53 and 127,952.32

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Solution

The fourth proportional to 200,646.58, 276,665.53 and 127,952.32 is: 176,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,646.58 : 276,665.53 = 127,952.32 : x
  2. Step 2: Convert to fraction form
    200,646.58/276,665.53 = 127,952.32/x
  3. Step 3: Cross multiply
    200,646.58x = 276,665.53 × 127,952.32
  4. Step 4: Simplify right side
    200,646.58x = 35,399,994,404.44
  5. Step 5: Solve for x
    x = 35,399,994,404.44/200,646.58
  6. Step 6: Final answer
    x = 176,429.60

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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.