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Finding the Fourth Proportional to 235,126.84, 352,643.10 and 115,132.10

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Solution

The fourth proportional to 235,126.84, 352,643.10 and 115,132.10 is: 172,675.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,126.84 : 352,643.10 = 115,132.10 : x
  2. Step 2: Convert to fraction form
    235,126.84/352,643.10 = 115,132.10/x
  3. Step 3: Cross multiply
    235,126.84x = 352,643.10 × 115,132.10
  4. Step 4: Simplify right side
    235,126.84x = 40,600,540,653.51
  5. Step 5: Solve for x
    x = 40,600,540,653.51/235,126.84
  6. Step 6: Final answer
    x = 172,675.06

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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.