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Finding the Fourth Proportional to 141,958.98, 195,841.53 and 93,498.30

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Solution

The fourth proportional to 141,958.98, 195,841.53 and 93,498.30 is: 128,986.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,958.98 : 195,841.53 = 93,498.30 : x
  2. Step 2: Convert to fraction form
    141,958.98/195,841.53 = 93,498.30/x
  3. Step 3: Cross multiply
    141,958.98x = 195,841.53 × 93,498.30
  4. Step 4: Simplify right side
    141,958.98x = 18,310,850,124.40
  5. Step 5: Solve for x
    x = 18,310,850,124.40/141,958.98
  6. Step 6: Final answer
    x = 128,986.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.