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Finding the Fourth Proportional to 173,307.75, 259,211.16 and 102,060.56

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Solution

The fourth proportional to 173,307.75, 259,211.16 and 102,060.56 is: 152,648.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,307.75 : 259,211.16 = 102,060.56 : x
  2. Step 2: Convert to fraction form
    173,307.75/259,211.16 = 102,060.56/x
  3. Step 3: Cross multiply
    173,307.75x = 259,211.16 × 102,060.56
  4. Step 4: Simplify right side
    173,307.75x = 26,455,234,851.79
  5. Step 5: Solve for x
    x = 26,455,234,851.79/173,307.75
  6. Step 6: Final answer
    x = 152,648.89

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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.