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Finding the Fourth Proportional to 200,710.08, 276,957.36 and 115,855.20

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Solution

The fourth proportional to 200,710.08, 276,957.36 and 115,855.20 is: 159,867.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,710.08 : 276,957.36 = 115,855.20 : x
  2. Step 2: Convert to fraction form
    200,710.08/276,957.36 = 115,855.20/x
  3. Step 3: Cross multiply
    200,710.08x = 276,957.36 × 115,855.20
  4. Step 4: Simplify right side
    200,710.08x = 32,086,950,334.27
  5. Step 5: Solve for x
    x = 32,086,950,334.27/200,710.08
  6. Step 6: Final answer
    x = 159,867.16

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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.