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Finding the Fourth Proportional to 358,603.77, 537,816.01 and 105,834.09

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Solution

The fourth proportional to 358,603.77, 537,816.01 and 105,834.09 is: 158,724.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,603.77 : 537,816.01 = 105,834.09 : x
  2. Step 2: Convert to fraction form
    358,603.77/537,816.01 = 105,834.09/x
  3. Step 3: Cross multiply
    358,603.77x = 537,816.01 × 105,834.09
  4. Step 4: Simplify right side
    358,603.77x = 56,919,265,052.12
  5. Step 5: Solve for x
    x = 56,919,265,052.12/358,603.77
  6. Step 6: Final answer
    x = 158,724.67

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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.