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Finding the Fourth Proportional to 141,028.40, 211,542.60 and 134,467.40

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Solution

The fourth proportional to 141,028.40, 211,542.60 and 134,467.40 is: 201,701.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,028.40 : 211,542.60 = 134,467.40 : x
  2. Step 2: Convert to fraction form
    141,028.40/211,542.60 = 134,467.40/x
  3. Step 3: Cross multiply
    141,028.40x = 211,542.60 × 134,467.40
  4. Step 4: Simplify right side
    141,028.40x = 28,445,583,411.24
  5. Step 5: Solve for x
    x = 28,445,583,411.24/141,028.40
  6. Step 6: Final answer
    x = 201,701.10

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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.