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Finding the Fourth Proportional to 200,465.40, 276,642.23 and 119,892.92

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Solution

The fourth proportional to 200,465.40, 276,642.23 and 119,892.92 is: 165,452.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,465.40 : 276,642.23 = 119,892.92 : x
  2. Step 2: Convert to fraction form
    200,465.40/276,642.23 = 119,892.92/x
  3. Step 3: Cross multiply
    200,465.40x = 276,642.23 × 119,892.92
  4. Step 4: Simplify right side
    200,465.40x = 33,167,443,666.53
  5. Step 5: Solve for x
    x = 33,167,443,666.53/200,465.40
  6. Step 6: Final answer
    x = 165,452.21

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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.