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Finding the Fourth Proportional to 173,601.86, 260,423.60 and 61,258.88

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Solution

The fourth proportional to 173,601.86, 260,423.60 and 61,258.88 is: 91,895.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,601.86 : 260,423.60 = 61,258.88 : x
  2. Step 2: Convert to fraction form
    173,601.86/260,423.60 = 61,258.88/x
  3. Step 3: Cross multiply
    173,601.86x = 260,423.60 × 61,258.88
  4. Step 4: Simplify right side
    173,601.86x = 15,953,256,453.16
  5. Step 5: Solve for x
    x = 15,953,256,453.16/173,601.86
  6. Step 6: Final answer
    x = 91,895.65

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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.