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Finding the Fourth Proportional to 247,973.64, 342,201.99 and 134,796.39

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Solution

The fourth proportional to 247,973.64, 342,201.99 and 134,796.39 is: 186,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,973.64 : 342,201.99 = 134,796.39 : x
  2. Step 2: Convert to fraction form
    247,973.64/342,201.99 = 134,796.39/x
  3. Step 3: Cross multiply
    247,973.64x = 342,201.99 × 134,796.39
  4. Step 4: Simplify right side
    247,973.64x = 46,127,592,902.82
  5. Step 5: Solve for x
    x = 46,127,592,902.82/247,973.64
  6. Step 6: Final answer
    x = 186,018.13

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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.