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Finding the Fourth Proportional to 101,677.56, 152,516.76 and 56,726.64

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Solution

The fourth proportional to 101,677.56, 152,516.76 and 56,726.64 is: 85,090.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,677.56 : 152,516.76 = 56,726.64 : x
  2. Step 2: Convert to fraction form
    101,677.56/152,516.76 = 56,726.64/x
  3. Step 3: Cross multiply
    101,677.56x = 152,516.76 × 56,726.64
  4. Step 4: Simplify right side
    101,677.56x = 8,651,763,338.49
  5. Step 5: Solve for x
    x = 8,651,763,338.49/101,677.56
  6. Step 6: Final answer
    x = 85,090.19

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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.