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Finding the Fourth Proportional to 92,873.91, 128,167.49 and 52,586.60

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Solution

The fourth proportional to 92,873.91, 128,167.49 and 52,586.60 is: 72,570.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,873.91 : 128,167.49 = 52,586.60 : x
  2. Step 2: Convert to fraction form
    92,873.91/128,167.49 = 52,586.60/x
  3. Step 3: Cross multiply
    92,873.91x = 128,167.49 × 52,586.60
  4. Step 4: Simplify right side
    92,873.91x = 6,739,892,209.22
  5. Step 5: Solve for x
    x = 6,739,892,209.22/92,873.91
  6. Step 6: Final answer
    x = 72,570.35

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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.