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Finding the Fourth Proportional to 176,701.87, 243,826.35 and 119,465.78

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Solution

The fourth proportional to 176,701.87, 243,826.35 and 119,465.78 is: 164,847.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,701.87 : 243,826.35 = 119,465.78 : x
  2. Step 2: Convert to fraction form
    176,701.87/243,826.35 = 119,465.78/x
  3. Step 3: Cross multiply
    176,701.87x = 243,826.35 × 119,465.78
  4. Step 4: Simplify right side
    176,701.87x = 29,128,905,087.30
  5. Step 5: Solve for x
    x = 29,128,905,087.30/176,701.87
  6. Step 6: Final answer
    x = 164,847.75

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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.