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Finding the Fourth Proportional to 104,287.96, 143,925.70 and 58,975.48

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Solution

The fourth proportional to 104,287.96, 143,925.70 and 58,975.48 is: 81,390.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,287.96 : 143,925.70 = 58,975.48 : x
  2. Step 2: Convert to fraction form
    104,287.96/143,925.70 = 58,975.48/x
  3. Step 3: Cross multiply
    104,287.96x = 143,925.70 × 58,975.48
  4. Step 4: Simplify right side
    104,287.96x = 8,488,087,241.84
  5. Step 5: Solve for x
    x = 8,488,087,241.84/104,287.96
  6. Step 6: Final answer
    x = 81,390.86

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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.