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Finding the Fourth Proportional to 200,487.69, 276,666.12 and 119,873.34

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Solution

The fourth proportional to 200,487.69, 276,666.12 and 119,873.34 is: 165,421.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,487.69 : 276,666.12 = 119,873.34 : x
  2. Step 2: Convert to fraction form
    200,487.69/276,666.12 = 119,873.34/x
  3. Step 3: Cross multiply
    200,487.69x = 276,666.12 × 119,873.34
  4. Step 4: Simplify right side
    200,487.69x = 33,164,891,869.24
  5. Step 5: Solve for x
    x = 33,164,891,869.24/200,487.69
  6. Step 6: Final answer
    x = 165,421.09

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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.