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Finding the Fourth Proportional to 169,892.88, 254,871.45 and 56,047.20

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Solution

The fourth proportional to 169,892.88, 254,871.45 and 56,047.20 is: 84,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,892.88 : 254,871.45 = 56,047.20 : x
  2. Step 2: Convert to fraction form
    169,892.88/254,871.45 = 56,047.20/x
  3. Step 3: Cross multiply
    169,892.88x = 254,871.45 × 56,047.20
  4. Step 4: Simplify right side
    169,892.88x = 14,284,831,132.44
  5. Step 5: Solve for x
    x = 14,284,831,132.44/169,892.88
  6. Step 6: Final answer
    x = 84,081.40

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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.