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Finding the Fourth Proportional to 56,867.08, 85,125.64 and 37,103.08

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Solution

The fourth proportional to 56,867.08, 85,125.64 and 37,103.08 is: 55,540.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,867.08 : 85,125.64 = 37,103.08 : x
  2. Step 2: Convert to fraction form
    56,867.08/85,125.64 = 37,103.08/x
  3. Step 3: Cross multiply
    56,867.08x = 85,125.64 × 37,103.08
  4. Step 4: Simplify right side
    56,867.08x = 3,158,423,430.97
  5. Step 5: Solve for x
    x = 3,158,423,430.97/56,867.08
  6. Step 6: Final answer
    x = 55,540.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.