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Finding the Fourth Proportional to 234,018.78, 350,916.99 and 115,551.69

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Solution

The fourth proportional to 234,018.78, 350,916.99 and 115,551.69 is: 173,272.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,018.78 : 350,916.99 = 115,551.69 : x
  2. Step 2: Convert to fraction form
    234,018.78/350,916.99 = 115,551.69/x
  3. Step 3: Cross multiply
    234,018.78x = 350,916.99 × 115,551.69
  4. Step 4: Simplify right side
    234,018.78x = 40,549,051,244.21
  5. Step 5: Solve for x
    x = 40,549,051,244.21/234,018.78
  6. Step 6: Final answer
    x = 173,272.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.