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Finding the Fourth Proportional to 173,172.30, 259,766.55 and 54,852.90

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Solution

The fourth proportional to 173,172.30, 259,766.55 and 54,852.90 is: 82,281.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,172.30 : 259,766.55 = 54,852.90 : x
  2. Step 2: Convert to fraction form
    173,172.30/259,766.55 = 54,852.90/x
  3. Step 3: Cross multiply
    173,172.30x = 259,766.55 × 54,852.90
  4. Step 4: Simplify right side
    173,172.30x = 14,248,948,590.50
  5. Step 5: Solve for x
    x = 14,248,948,590.50/173,172.30
  6. Step 6: Final answer
    x = 82,281.92

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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.