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Finding the Fourth Proportional to 248,792.83, 343,321.70 and 141,348.67

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Solution

The fourth proportional to 248,792.83, 343,321.70 and 141,348.67 is: 195,054.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,792.83 : 343,321.70 = 141,348.67 : x
  2. Step 2: Convert to fraction form
    248,792.83/343,321.70 = 141,348.67/x
  3. Step 3: Cross multiply
    248,792.83x = 343,321.70 × 141,348.67
  4. Step 4: Simplify right side
    248,792.83x = 48,528,064,642.15
  5. Step 5: Solve for x
    x = 48,528,064,642.15/248,792.83
  6. Step 6: Final answer
    x = 195,054.11

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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.