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Finding the Fourth Proportional to 115,952.61, 173,962.13 and 56,805.60

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Solution

The fourth proportional to 115,952.61, 173,962.13 and 56,805.60 is: 85,224.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,952.61 : 173,962.13 = 56,805.60 : x
  2. Step 2: Convert to fraction form
    115,952.61/173,962.13 = 56,805.60/x
  3. Step 3: Cross multiply
    115,952.61x = 173,962.13 × 56,805.60
  4. Step 4: Simplify right side
    115,952.61x = 9,882,022,887.90
  5. Step 5: Solve for x
    x = 9,882,022,887.90/115,952.61
  6. Step 6: Final answer
    x = 85,224.67

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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.