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Finding the Fourth Proportional to 168,964, 253,436.16 and 44,304.96

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Solution

The fourth proportional to 168,964, 253,436.16 and 44,304.96 is: 66,454.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,964 : 253,436.16 = 44,304.96 : x
  2. Step 2: Convert to fraction form
    168,964/253,436.16 = 44,304.96/x
  3. Step 3: Cross multiply
    168,964x = 253,436.16 × 44,304.96
  4. Step 4: Simplify right side
    168,964x = 11,228,478,931.35
  5. Step 5: Solve for x
    x = 11,228,478,931.35/168,964
  6. Step 6: Final answer
    x = 66,454.86

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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.