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Finding the Fourth Proportional to 86,416.98, 119,256.48 and 50,599.86

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Solution

The fourth proportional to 86,416.98, 119,256.48 and 50,599.86 is: 69,828.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,416.98 : 119,256.48 = 50,599.86 : x
  2. Step 2: Convert to fraction form
    86,416.98/119,256.48 = 50,599.86/x
  3. Step 3: Cross multiply
    86,416.98x = 119,256.48 × 50,599.86
  4. Step 4: Simplify right side
    86,416.98x = 6,034,361,192.09
  5. Step 5: Solve for x
    x = 6,034,361,192.09/86,416.98
  6. Step 6: Final answer
    x = 69,828.42

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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.