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Finding the Fourth Proportional to 116,737.68, 175,063.68 and 91,826.40

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Solution

The fourth proportional to 116,737.68, 175,063.68 and 91,826.40 is: 137,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,737.68 : 175,063.68 = 91,826.40 : x
  2. Step 2: Convert to fraction form
    116,737.68/175,063.68 = 91,826.40/x
  3. Step 3: Cross multiply
    116,737.68x = 175,063.68 × 91,826.40
  4. Step 4: Simplify right side
    116,737.68x = 16,075,467,505.15
  5. Step 5: Solve for x
    x = 16,075,467,505.15/116,737.68
  6. Step 6: Final answer
    x = 137,705.90

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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.