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Finding the Fourth Proportional to 103,952.51, 143,454.42 and 58,630.40

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Solution

The fourth proportional to 103,952.51, 143,454.42 and 58,630.40 is: 80,909.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,952.51 : 143,454.42 = 58,630.40 : x
  2. Step 2: Convert to fraction form
    103,952.51/143,454.42 = 58,630.40/x
  3. Step 3: Cross multiply
    103,952.51x = 143,454.42 × 58,630.40
  4. Step 4: Simplify right side
    103,952.51x = 8,410,789,847.05
  5. Step 5: Solve for x
    x = 8,410,789,847.05/103,952.51
  6. Step 6: Final answer
    x = 80,909.93

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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.