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Finding the Fourth Proportional to 86,369.60, 119,187.24 and 52,835.60

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Solution

The fourth proportional to 86,369.60, 119,187.24 and 52,835.60 is: 72,911.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,369.60 : 119,187.24 = 52,835.60 : x
  2. Step 2: Convert to fraction form
    86,369.60/119,187.24 = 52,835.60/x
  3. Step 3: Cross multiply
    86,369.60x = 119,187.24 × 52,835.60
  4. Step 4: Simplify right side
    86,369.60x = 6,297,329,337.74
  5. Step 5: Solve for x
    x = 6,297,329,337.74/86,369.60
  6. Step 6: Final answer
    x = 72,911.41

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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.