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Finding the Fourth Proportional to 254,746.78, 351,522.62 and 147,300.54

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Solution

The fourth proportional to 254,746.78, 351,522.62 and 147,300.54 is: 203,258.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,746.78 : 351,522.62 = 147,300.54 : x
  2. Step 2: Convert to fraction form
    254,746.78/351,522.62 = 147,300.54/x
  3. Step 3: Cross multiply
    254,746.78x = 351,522.62 × 147,300.54
  4. Step 4: Simplify right side
    254,746.78x = 51,779,471,748.21
  5. Step 5: Solve for x
    x = 51,779,471,748.21/254,746.78
  6. Step 6: Final answer
    x = 203,258.59

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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.