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Finding the Fourth Proportional to 184,245.90, 276,368.85 and 90,732.30

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Solution

The fourth proportional to 184,245.90, 276,368.85 and 90,732.30 is: 136,098.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,245.90 : 276,368.85 = 90,732.30 : x
  2. Step 2: Convert to fraction form
    184,245.90/276,368.85 = 90,732.30/x
  3. Step 3: Cross multiply
    184,245.90x = 276,368.85 × 90,732.30
  4. Step 4: Simplify right side
    184,245.90x = 25,075,581,408.86
  5. Step 5: Solve for x
    x = 25,075,581,408.86/184,245.90
  6. Step 6: Final answer
    x = 136,098.45

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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.