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Finding the Fourth Proportional to 104,752.80, 157,169.52 and 48,621.60

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Solution

The fourth proportional to 104,752.80, 157,169.52 and 48,621.60 is: 72,951.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,752.80 : 157,169.52 = 48,621.60 : x
  2. Step 2: Convert to fraction form
    104,752.80/157,169.52 = 48,621.60/x
  3. Step 3: Cross multiply
    104,752.80x = 157,169.52 × 48,621.60
  4. Step 4: Simplify right side
    104,752.80x = 7,641,833,533.63
  5. Step 5: Solve for x
    x = 7,641,833,533.63/104,752.80
  6. Step 6: Final answer
    x = 72,951.11

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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.