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Finding the Fourth Proportional to 92,858.60, 139,288.70 and 26,300.20

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Solution

The fourth proportional to 92,858.60, 139,288.70 and 26,300.20 is: 39,450.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,858.60 : 139,288.70 = 26,300.20 : x
  2. Step 2: Convert to fraction form
    92,858.60/139,288.70 = 26,300.20/x
  3. Step 3: Cross multiply
    92,858.60x = 139,288.70 × 26,300.20
  4. Step 4: Simplify right side
    92,858.60x = 3,663,320,667.74
  5. Step 5: Solve for x
    x = 3,663,320,667.74/92,858.60
  6. Step 6: Final answer
    x = 39,450.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.