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Finding the Fourth Proportional to 265,633.83, 398,460.47 and 107,858.79

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Solution

The fourth proportional to 265,633.83, 398,460.47 and 107,858.79 is: 161,792.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,633.83 : 398,460.47 = 107,858.79 : x
  2. Step 2: Convert to fraction form
    265,633.83/398,460.47 = 107,858.79/x
  3. Step 3: Cross multiply
    265,633.83x = 398,460.47 × 107,858.79
  4. Step 4: Simplify right side
    265,633.83x = 42,977,463,617.74
  5. Step 5: Solve for x
    x = 42,977,463,617.74/265,633.83
  6. Step 6: Final answer
    x = 161,792.13

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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.