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Finding the Fourth Proportional to 334,400.64, 501,600.96 and 168,072

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Solution

The fourth proportional to 334,400.64, 501,600.96 and 168,072 is: 252,108.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,400.64 : 501,600.96 = 168,072 : x
  2. Step 2: Convert to fraction form
    334,400.64/501,600.96 = 168,072/x
  3. Step 3: Cross multiply
    334,400.64x = 501,600.96 × 168,072
  4. Step 4: Simplify right side
    334,400.64x = 84,305,076,549.12
  5. Step 5: Solve for x
    x = 84,305,076,549.12/334,400.64
  6. Step 6: Final answer
    x = 252,108.00

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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.