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Finding the Fourth Proportional to 94,510.80, 141,779.70 and 27,942.30

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Solution

The fourth proportional to 94,510.80, 141,779.70 and 27,942.30 is: 41,917.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,510.80 : 141,779.70 = 27,942.30 : x
  2. Step 2: Convert to fraction form
    94,510.80/141,779.70 = 27,942.30/x
  3. Step 3: Cross multiply
    94,510.80x = 141,779.70 × 27,942.30
  4. Step 4: Simplify right side
    94,510.80x = 3,961,650,911.31
  5. Step 5: Solve for x
    x = 3,961,650,911.31/94,510.80
  6. Step 6: Final answer
    x = 41,917.44

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1.5x scale

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.