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Finding the Fourth Proportional to 173,812.40, 260,723.48 and 61,476.76

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Solution

The fourth proportional to 173,812.40, 260,723.48 and 61,476.76 is: 92,216.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,812.40 : 260,723.48 = 61,476.76 : x
  2. Step 2: Convert to fraction form
    173,812.40/260,723.48 = 61,476.76/x
  3. Step 3: Cross multiply
    173,812.40x = 260,723.48 × 61,476.76
  4. Step 4: Simplify right side
    173,812.40x = 16,028,434,806.32
  5. Step 5: Solve for x
    x = 16,028,434,806.32/173,812.40
  6. Step 6: Final answer
    x = 92,216.87

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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.