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Finding the Fourth Proportional to 141,897.44, 211,594.32 and 134,920.80

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Solution

The fourth proportional to 141,897.44, 211,594.32 and 134,920.80 is: 201,190.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,897.44 : 211,594.32 = 134,920.80 : x
  2. Step 2: Convert to fraction form
    141,897.44/211,594.32 = 134,920.80/x
  3. Step 3: Cross multiply
    141,897.44x = 211,594.32 × 134,920.80
  4. Step 4: Simplify right side
    141,897.44x = 28,548,474,929.86
  5. Step 5: Solve for x
    x = 28,548,474,929.86/141,897.44
  6. Step 6: Final answer
    x = 201,190.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.