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Finding the Fourth Proportional to 173,603.34, 260,318.87 and 55,259.30

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Solution

The fourth proportional to 173,603.34, 260,318.87 and 55,259.30 is: 82,861.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,603.34 : 260,318.87 = 55,259.30 : x
  2. Step 2: Convert to fraction form
    173,603.34/260,318.87 = 55,259.30/x
  3. Step 3: Cross multiply
    173,603.34x = 260,318.87 × 55,259.30
  4. Step 4: Simplify right side
    173,603.34x = 14,385,036,955.10
  5. Step 5: Solve for x
    x = 14,385,036,955.10/173,603.34
  6. Step 6: Final answer
    x = 82,861.52

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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.