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Finding the Fourth Proportional to 117,881.34, 176,823.84 and 65,622.96

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Solution

The fourth proportional to 117,881.34, 176,823.84 and 65,622.96 is: 98,435.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,881.34 : 176,823.84 = 65,622.96 : x
  2. Step 2: Convert to fraction form
    117,881.34/176,823.84 = 65,622.96/x
  3. Step 3: Cross multiply
    117,881.34x = 176,823.84 × 65,622.96
  4. Step 4: Simplify right side
    117,881.34x = 11,603,703,779.37
  5. Step 5: Solve for x
    x = 11,603,703,779.37/117,881.34
  6. Step 6: Final answer
    x = 98,435.46

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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.