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Finding the Fourth Proportional to 309,038.90, 463,571.51 and 109,360.94

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Solution

The fourth proportional to 309,038.90, 463,571.51 and 109,360.94 is: 164,046.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,038.90 : 463,571.51 = 109,360.94 : x
  2. Step 2: Convert to fraction form
    309,038.90/463,571.51 = 109,360.94/x
  3. Step 3: Cross multiply
    309,038.90x = 463,571.51 × 109,360.94
  4. Step 4: Simplify right side
    309,038.90x = 50,696,613,226.16
  5. Step 5: Solve for x
    x = 50,696,613,226.16/309,038.90
  6. Step 6: Final answer
    x = 164,046.06

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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.