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Finding the Fourth Proportional to 176,687.61, 243,828.27 and 96,113.67

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Solution

The fourth proportional to 176,687.61, 243,828.27 and 96,113.67 is: 132,636.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,687.61 : 243,828.27 = 96,113.67 : x
  2. Step 2: Convert to fraction form
    176,687.61/243,828.27 = 96,113.67/x
  3. Step 3: Cross multiply
    176,687.61x = 243,828.27 × 96,113.67
  4. Step 4: Simplify right side
    176,687.61x = 23,435,229,879.45
  5. Step 5: Solve for x
    x = 23,435,229,879.45/176,687.61
  6. Step 6: Final answer
    x = 132,636.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.