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Finding the Fourth Proportional to 173,729.70, 260,594.55 and 122,991.30

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Solution

The fourth proportional to 173,729.70, 260,594.55 and 122,991.30 is: 184,486.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,729.70 : 260,594.55 = 122,991.30 : x
  2. Step 2: Convert to fraction form
    173,729.70/260,594.55 = 122,991.30/x
  3. Step 3: Cross multiply
    173,729.70x = 260,594.55 × 122,991.30
  4. Step 4: Simplify right side
    173,729.70x = 32,050,862,477.42
  5. Step 5: Solve for x
    x = 32,050,862,477.42/173,729.70
  6. Step 6: Final answer
    x = 184,486.95

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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.