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Finding the Fourth Proportional to 200,460.71, 276,530.90 and 123,955.35

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Solution

The fourth proportional to 200,460.71, 276,530.90 and 123,955.35 is: 170,993.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,460.71 : 276,530.90 = 123,955.35 : x
  2. Step 2: Convert to fraction form
    200,460.71/276,530.90 = 123,955.35/x
  3. Step 3: Cross multiply
    200,460.71x = 276,530.90 × 123,955.35
  4. Step 4: Simplify right side
    200,460.71x = 34,277,483,875.54
  5. Step 5: Solve for x
    x = 34,277,483,875.54/200,460.71
  6. Step 6: Final answer
    x = 170,993.53

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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.