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Finding the Fourth Proportional to 104,293.93, 143,924.75 and 58,980.80

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Solution

The fourth proportional to 104,293.93, 143,924.75 and 58,980.80 is: 81,393.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,293.93 : 143,924.75 = 58,980.80 : x
  2. Step 2: Convert to fraction form
    104,293.93/143,924.75 = 58,980.80/x
  3. Step 3: Cross multiply
    104,293.93x = 143,924.75 × 58,980.80
  4. Step 4: Simplify right side
    104,293.93x = 8,488,797,340.16
  5. Step 5: Solve for x
    x = 8,488,797,340.16/104,293.93
  6. Step 6: Final answer
    x = 81,393.02

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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.