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Finding the Fourth Proportional to 104,394.88, 144,055.20 and 59,077

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Solution

The fourth proportional to 104,394.88, 144,055.20 and 59,077 is: 81,520.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,394.88 : 144,055.20 = 59,077 : x
  2. Step 2: Convert to fraction form
    104,394.88/144,055.20 = 59,077/x
  3. Step 3: Cross multiply
    104,394.88x = 144,055.20 × 59,077
  4. Step 4: Simplify right side
    104,394.88x = 8,510,349,050.40
  5. Step 5: Solve for x
    x = 8,510,349,050.40/104,394.88
  6. Step 6: Final answer
    x = 81,520.75

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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.