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Finding the Fourth Proportional to 86,466.53, 119,331.69 and 52,483.72

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Solution

The fourth proportional to 86,466.53, 119,331.69 and 52,483.72 is: 72,432.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,466.53 : 119,331.69 = 52,483.72 : x
  2. Step 2: Convert to fraction form
    86,466.53/119,331.69 = 52,483.72/x
  3. Step 3: Cross multiply
    86,466.53x = 119,331.69 × 52,483.72
  4. Step 4: Simplify right side
    86,466.53x = 6,262,971,005.09
  5. Step 5: Solve for x
    x = 6,262,971,005.09/86,466.53
  6. Step 6: Final answer
    x = 72,432.32

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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.