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Finding the Fourth Proportional to 200,298.60, 276,392.88 and 119,710.08

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Solution

The fourth proportional to 200,298.60, 276,392.88 and 119,710.08 is: 165,188.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,298.60 : 276,392.88 = 119,710.08 : x
  2. Step 2: Convert to fraction form
    200,298.60/276,392.88 = 119,710.08/x
  3. Step 3: Cross multiply
    200,298.60x = 276,392.88 × 119,710.08
  4. Step 4: Simplify right side
    200,298.60x = 33,087,013,776.23
  5. Step 5: Solve for x
    x = 33,087,013,776.23/200,298.60
  6. Step 6: Final answer
    x = 165,188.44

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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.