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Finding the Fourth Proportional to 243,892.88, 336,612 and 167,348.78

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Solution

The fourth proportional to 243,892.88, 336,612 and 167,348.78 is: 230,968.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,892.88 : 336,612 = 167,348.78 : x
  2. Step 2: Convert to fraction form
    243,892.88/336,612 = 167,348.78/x
  3. Step 3: Cross multiply
    243,892.88x = 336,612 × 167,348.78
  4. Step 4: Simplify right side
    243,892.88x = 56,331,607,533.36
  5. Step 5: Solve for x
    x = 56,331,607,533.36/243,892.88
  6. Step 6: Final answer
    x = 230,968.64

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1.5x scale

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.