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Finding the Fourth Proportional to 169,363.61, 253,971.60 and 57,013.67

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Solution

The fourth proportional to 169,363.61, 253,971.60 and 57,013.67 is: 85,495.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,363.61 : 253,971.60 = 57,013.67 : x
  2. Step 2: Convert to fraction form
    169,363.61/253,971.60 = 57,013.67/x
  3. Step 3: Cross multiply
    169,363.61x = 253,971.60 × 57,013.67
  4. Step 4: Simplify right side
    169,363.61x = 14,479,853,733.60
  5. Step 5: Solve for x
    x = 14,479,853,733.60/169,363.61
  6. Step 6: Final answer
    x = 85,495.66

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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.