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Finding the Fourth Proportional to 254,628, 351,386.64 and 141,474.24

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Solution

The fourth proportional to 254,628, 351,386.64 and 141,474.24 is: 195,234.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,628 : 351,386.64 = 141,474.24 : x
  2. Step 2: Convert to fraction form
    254,628/351,386.64 = 141,474.24/x
  3. Step 3: Cross multiply
    254,628x = 351,386.64 × 141,474.24
  4. Step 4: Simplify right side
    254,628x = 49,712,157,840.15
  5. Step 5: Solve for x
    x = 49,712,157,840.15/254,628
  6. Step 6: Final answer
    x = 195,234.45

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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.