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Finding the Fourth Proportional to 173,617.40, 260,426.10 and 48,958.40

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Solution

The fourth proportional to 173,617.40, 260,426.10 and 48,958.40 is: 73,437.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,617.40 : 260,426.10 = 48,958.40 : x
  2. Step 2: Convert to fraction form
    173,617.40/260,426.10 = 48,958.40/x
  3. Step 3: Cross multiply
    173,617.40x = 260,426.10 × 48,958.40
  4. Step 4: Simplify right side
    173,617.40x = 12,750,045,174.24
  5. Step 5: Solve for x
    x = 12,750,045,174.24/173,617.40
  6. Step 6: Final answer
    x = 73,437.60

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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.