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Finding the Fourth Proportional to 119,937, 165,527.64 and 69,636

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Solution

The fourth proportional to 119,937, 165,527.64 and 69,636 is: 96,106.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,937 : 165,527.64 = 69,636 : x
  2. Step 2: Convert to fraction form
    119,937/165,527.64 = 69,636/x
  3. Step 3: Cross multiply
    119,937x = 165,527.64 × 69,636
  4. Step 4: Simplify right side
    119,937x = 11,526,682,739.04
  5. Step 5: Solve for x
    x = 11,526,682,739.04/119,937
  6. Step 6: Final answer
    x = 96,106.15

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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.