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Finding the Fourth Proportional to 119,642.08, 165,106.08 and 69,370.24

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Solution

The fourth proportional to 119,642.08, 165,106.08 and 69,370.24 is: 95,730.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,642.08 : 165,106.08 = 69,370.24 : x
  2. Step 2: Convert to fraction form
    119,642.08/165,106.08 = 69,370.24/x
  3. Step 3: Cross multiply
    119,642.08x = 165,106.08 × 69,370.24
  4. Step 4: Simplify right side
    119,642.08x = 11,453,448,395.06
  5. Step 5: Solve for x
    x = 11,453,448,395.06/119,642.08
  6. Step 6: Final answer
    x = 95,730.94

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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.