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Finding the Fourth Proportional to 169,527.21, 254,113.56 and 57,168.60

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Solution

The fourth proportional to 169,527.21, 254,113.56 and 57,168.60 is: 85,693.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,527.21 : 254,113.56 = 57,168.60 : x
  2. Step 2: Convert to fraction form
    169,527.21/254,113.56 = 57,168.60/x
  3. Step 3: Cross multiply
    169,527.21x = 254,113.56 × 57,168.60
  4. Step 4: Simplify right side
    169,527.21x = 14,527,316,466.22
  5. Step 5: Solve for x
    x = 14,527,316,466.22/169,527.21
  6. Step 6: Final answer
    x = 85,693.13

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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.