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Finding the Fourth Proportional to 200,281.48, 276,300.39 and 119,668.66

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Solution

The fourth proportional to 200,281.48, 276,300.39 and 119,668.66 is: 165,090.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,281.48 : 276,300.39 = 119,668.66 : x
  2. Step 2: Convert to fraction form
    200,281.48/276,300.39 = 119,668.66/x
  3. Step 3: Cross multiply
    200,281.48x = 276,300.39 × 119,668.66
  4. Step 4: Simplify right side
    200,281.48x = 33,064,497,428.78
  5. Step 5: Solve for x
    x = 33,064,497,428.78/200,281.48
  6. Step 6: Final answer
    x = 165,090.14

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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.