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Finding the Fourth Proportional to 104,851.50, 144,700.83 and 60,142.38

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Solution

The fourth proportional to 104,851.50, 144,700.83 and 60,142.38 is: 82,999.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,851.50 : 144,700.83 = 60,142.38 : x
  2. Step 2: Convert to fraction form
    104,851.50/144,700.83 = 60,142.38/x
  3. Step 3: Cross multiply
    104,851.50x = 144,700.83 × 60,142.38
  4. Step 4: Simplify right side
    104,851.50x = 8,702,652,304.18
  5. Step 5: Solve for x
    x = 8,702,652,304.18/104,851.50
  6. Step 6: Final answer
    x = 82,999.79

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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.