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Finding the Fourth Proportional to 346,382.82, 519,588.81 and 109,720.26

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Solution

The fourth proportional to 346,382.82, 519,588.81 and 109,720.26 is: 164,585.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,382.82 : 519,588.81 = 109,720.26 : x
  2. Step 2: Convert to fraction form
    346,382.82/519,588.81 = 109,720.26/x
  3. Step 3: Cross multiply
    346,382.82x = 519,588.81 × 109,720.26
  4. Step 4: Simplify right side
    346,382.82x = 57,009,419,326.29
  5. Step 5: Solve for x
    x = 57,009,419,326.29/346,382.82
  6. Step 6: Final answer
    x = 164,585.01

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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.