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Finding the Fourth Proportional to 173,312.95, 259,978.65 and 54,993.55

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Solution

The fourth proportional to 173,312.95, 259,978.65 and 54,993.55 is: 82,493.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,312.95 : 259,978.65 = 54,993.55 : x
  2. Step 2: Convert to fraction form
    173,312.95/259,978.65 = 54,993.55/x
  3. Step 3: Cross multiply
    173,312.95x = 259,978.65 × 54,993.55
  4. Step 4: Simplify right side
    173,312.95x = 14,297,148,887.71
  5. Step 5: Solve for x
    x = 14,297,148,887.71/173,312.95
  6. Step 6: Final answer
    x = 82,493.25

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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.