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Finding the Fourth Proportional to 104,293.94, 143,924.79 and 58,980.83

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Solution

The fourth proportional to 104,293.94, 143,924.79 and 58,980.83 is: 81,393.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,293.94 : 143,924.79 = 58,980.83 : x
  2. Step 2: Convert to fraction form
    104,293.94/143,924.79 = 58,980.83/x
  3. Step 3: Cross multiply
    104,293.94x = 143,924.79 × 58,980.83
  4. Step 4: Simplify right side
    104,293.94x = 8,488,803,571.78
  5. Step 5: Solve for x
    x = 8,488,803,571.78/104,293.94
  6. Step 6: Final answer
    x = 81,393.07

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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.