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Finding the Fourth Proportional to 169,242.75, 253,980.77 and 58,434.75

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Solution

The fourth proportional to 169,242.75, 253,980.77 and 58,434.75 is: 87,692.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,242.75 : 253,980.77 = 58,434.75 : x
  2. Step 2: Convert to fraction form
    169,242.75/253,980.77 = 58,434.75/x
  3. Step 3: Cross multiply
    169,242.75x = 253,980.77 × 58,434.75
  4. Step 4: Simplify right side
    169,242.75x = 14,841,302,507.58
  5. Step 5: Solve for x
    x = 14,841,302,507.58/169,242.75
  6. Step 6: Final answer
    x = 87,692.40

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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.