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Finding the Fourth Proportional to 173,152.60, 259,728.90 and 162,784.60

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Solution

The fourth proportional to 173,152.60, 259,728.90 and 162,784.60 is: 244,176.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,152.60 : 259,728.90 = 162,784.60 : x
  2. Step 2: Convert to fraction form
    173,152.60/259,728.90 = 162,784.60/x
  3. Step 3: Cross multiply
    173,152.60x = 259,728.90 × 162,784.60
  4. Step 4: Simplify right side
    173,152.60x = 42,279,865,094.94
  5. Step 5: Solve for x
    x = 42,279,865,094.94/173,152.60
  6. Step 6: Final answer
    x = 244,176.90

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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.