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Finding the Fourth Proportional to 236,938.80, 356,185.80 and 167,300.40

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Solution

The fourth proportional to 236,938.80, 356,185.80 and 167,300.40 is: 251,499.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,938.80 : 356,185.80 = 167,300.40 : x
  2. Step 2: Convert to fraction form
    236,938.80/356,185.80 = 167,300.40/x
  3. Step 3: Cross multiply
    236,938.80x = 356,185.80 × 167,300.40
  4. Step 4: Simplify right side
    236,938.80x = 59,590,026,814.32
  5. Step 5: Solve for x
    x = 59,590,026,814.32/236,938.80
  6. Step 6: Final answer
    x = 251,499.66

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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.