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Finding the Fourth Proportional to 103,625.73, 143,003.50 and 58,913.73

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Solution

The fourth proportional to 103,625.73, 143,003.50 and 58,913.73 is: 81,300.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,625.73 : 143,003.50 = 58,913.73 : x
  2. Step 2: Convert to fraction form
    103,625.73/143,003.50 = 58,913.73/x
  3. Step 3: Cross multiply
    103,625.73x = 143,003.50 × 58,913.73
  4. Step 4: Simplify right side
    103,625.73x = 8,424,869,440.77
  5. Step 5: Solve for x
    x = 8,424,869,440.77/103,625.73
  6. Step 6: Final answer
    x = 81,300.94

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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.