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Finding the Fourth Proportional to 123,045.85, 183,894.44 and 89,835.85

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Solution

The fourth proportional to 123,045.85, 183,894.44 and 89,835.85 is: 134,261.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,045.85 : 183,894.44 = 89,835.85 : x
  2. Step 2: Convert to fraction form
    123,045.85/183,894.44 = 89,835.85/x
  3. Step 3: Cross multiply
    123,045.85x = 183,894.44 × 89,835.85
  4. Step 4: Simplify right side
    123,045.85x = 16,520,313,327.67
  5. Step 5: Solve for x
    x = 16,520,313,327.67/123,045.85
  6. Step 6: Final answer
    x = 134,261.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.