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Finding the Fourth Proportional to 173,670.40, 260,505.60 and 55,353.70

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Solution

The fourth proportional to 173,670.40, 260,505.60 and 55,353.70 is: 83,030.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,670.40 : 260,505.60 = 55,353.70 : x
  2. Step 2: Convert to fraction form
    173,670.40/260,505.60 = 55,353.70/x
  3. Step 3: Cross multiply
    173,670.40x = 260,505.60 × 55,353.70
  4. Step 4: Simplify right side
    173,670.40x = 14,419,948,830.72
  5. Step 5: Solve for x
    x = 14,419,948,830.72/173,670.40
  6. Step 6: Final answer
    x = 83,030.55

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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.