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Finding the Fourth Proportional to 118,005.52, 176,980.32 and 33,763.08

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Solution

The fourth proportional to 118,005.52, 176,980.32 and 33,763.08 is: 50,636.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,005.52 : 176,980.32 = 33,763.08 : x
  2. Step 2: Convert to fraction form
    118,005.52/176,980.32 = 33,763.08/x
  3. Step 3: Cross multiply
    118,005.52x = 176,980.32 × 33,763.08
  4. Step 4: Simplify right side
    118,005.52x = 5,975,400,702.59
  5. Step 5: Solve for x
    x = 5,975,400,702.59/118,005.52
  6. Step 6: Final answer
    x = 50,636.62

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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.