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Finding the Fourth Proportional to 235,124.84, 352,640.10 and 115,130.10

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Solution

The fourth proportional to 235,124.84, 352,640.10 and 115,130.10 is: 172,672.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,124.84 : 352,640.10 = 115,130.10 : x
  2. Step 2: Convert to fraction form
    235,124.84/352,640.10 = 115,130.10/x
  3. Step 3: Cross multiply
    235,124.84x = 352,640.10 × 115,130.10
  4. Step 4: Simplify right side
    235,124.84x = 40,599,489,977.01
  5. Step 5: Solve for x
    x = 40,599,489,977.01/235,124.84
  6. Step 6: Final answer
    x = 172,672.06

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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.