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Finding the Fourth Proportional to 254,556, 351,294.57 and 141,386.04

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Solution

The fourth proportional to 254,556, 351,294.57 and 141,386.04 is: 195,116.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,556 : 351,294.57 = 141,386.04 : x
  2. Step 2: Convert to fraction form
    254,556/351,294.57 = 141,386.04/x
  3. Step 3: Cross multiply
    254,556x = 351,294.57 × 141,386.04
  4. Step 4: Simplify right side
    254,556x = 49,668,148,125.80
  5. Step 5: Solve for x
    x = 49,668,148,125.80/254,556
  6. Step 6: Final answer
    x = 195,116.78

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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.