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Finding the Fourth Proportional to 86,237.60, 119,007.72 and 48,511.86

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Solution

The fourth proportional to 86,237.60, 119,007.72 and 48,511.86 is: 66,946.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,237.60 : 119,007.72 = 48,511.86 : x
  2. Step 2: Convert to fraction form
    86,237.60/119,007.72 = 48,511.86/x
  3. Step 3: Cross multiply
    86,237.60x = 119,007.72 × 48,511.86
  4. Step 4: Simplify right side
    86,237.60x = 5,773,285,851.56
  5. Step 5: Solve for x
    x = 5,773,285,851.56/86,237.60
  6. Step 6: Final answer
    x = 66,946.27

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1.5x scale

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.