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Finding the Fourth Proportional to 125,551.78, 173,219.22 and 71,096.50

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Solution

The fourth proportional to 125,551.78, 173,219.22 and 71,096.50 is: 98,089.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,551.78 : 173,219.22 = 71,096.50 : x
  2. Step 2: Convert to fraction form
    125,551.78/173,219.22 = 71,096.50/x
  3. Step 3: Cross multiply
    125,551.78x = 173,219.22 × 71,096.50
  4. Step 4: Simplify right side
    125,551.78x = 12,315,280,274.73
  5. Step 5: Solve for x
    x = 12,315,280,274.73/125,551.78
  6. Step 6: Final answer
    x = 98,089.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.