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Finding the Fourth Proportional to 141,588.71, 212,133.90 and 133,160.41

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Solution

The fourth proportional to 141,588.71, 212,133.90 and 133,160.41 is: 199,506.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,588.71 : 212,133.90 = 133,160.41 : x
  2. Step 2: Convert to fraction form
    141,588.71/212,133.90 = 133,160.41/x
  3. Step 3: Cross multiply
    141,588.71x = 212,133.90 × 133,160.41
  4. Step 4: Simplify right side
    141,588.71x = 28,247,836,038.23
  5. Step 5: Solve for x
    x = 28,247,836,038.23/141,588.71
  6. Step 6: Final answer
    x = 199,506.27

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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.