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Finding the Fourth Proportional to 141,323.90, 211,657.80 and 96,709.10

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Solution

The fourth proportional to 141,323.90, 211,657.80 and 96,709.10 is: 144,839.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,323.90 : 211,657.80 = 96,709.10 : x
  2. Step 2: Convert to fraction form
    141,323.90/211,657.80 = 96,709.10/x
  3. Step 3: Cross multiply
    141,323.90x = 211,657.80 × 96,709.10
  4. Step 4: Simplify right side
    141,323.90x = 20,469,235,345.98
  5. Step 5: Solve for x
    x = 20,469,235,345.98/141,323.90
  6. Step 6: Final answer
    x = 144,839.16

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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.