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Finding the Fourth Proportional to 104,571.45, 144,296.88 and 59,239.72

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Solution

The fourth proportional to 104,571.45, 144,296.88 and 59,239.72 is: 81,744.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,571.45 : 144,296.88 = 59,239.72 : x
  2. Step 2: Convert to fraction form
    104,571.45/144,296.88 = 59,239.72/x
  3. Step 3: Cross multiply
    104,571.45x = 144,296.88 × 59,239.72
  4. Step 4: Simplify right side
    104,571.45x = 8,548,106,768.07
  5. Step 5: Solve for x
    x = 8,548,106,768.07/104,571.45
  6. Step 6: Final answer
    x = 81,744.17

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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.