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Finding the Fourth Proportional to 169,811.46, 254,487.42 and 64,573.02

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Solution

The fourth proportional to 169,811.46, 254,487.42 and 64,573.02 is: 96,772.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,811.46 : 254,487.42 = 64,573.02 : x
  2. Step 2: Convert to fraction form
    169,811.46/254,487.42 = 64,573.02/x
  3. Step 3: Cross multiply
    169,811.46x = 254,487.42 × 64,573.02
  4. Step 4: Simplify right side
    169,811.46x = 16,433,021,261.41
  5. Step 5: Solve for x
    x = 16,433,021,261.41/169,811.46
  6. Step 6: Final answer
    x = 96,772.16

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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.