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Finding the Fourth Proportional to 341,995.52, 513,019.06 and 102,090.48

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Solution

The fourth proportional to 341,995.52, 513,019.06 and 102,090.48 is: 153,143.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,995.52 : 513,019.06 = 102,090.48 : x
  2. Step 2: Convert to fraction form
    341,995.52/513,019.06 = 102,090.48/x
  3. Step 3: Cross multiply
    341,995.52x = 513,019.06 × 102,090.48
  4. Step 4: Simplify right side
    341,995.52x = 52,374,362,084.55
  5. Step 5: Solve for x
    x = 52,374,362,084.55/341,995.52
  6. Step 6: Final answer
    x = 153,143.42

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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.