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Finding the Fourth Proportional to 173,684.91, 260,651.79 and 73,915.19

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Solution

The fourth proportional to 173,684.91, 260,651.79 and 73,915.19 is: 110,925.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,684.91 : 260,651.79 = 73,915.19 : x
  2. Step 2: Convert to fraction form
    173,684.91/260,651.79 = 73,915.19/x
  3. Step 3: Cross multiply
    173,684.91x = 260,651.79 × 73,915.19
  4. Step 4: Simplify right side
    173,684.91x = 19,266,125,278.43
  5. Step 5: Solve for x
    x = 19,266,125,278.43/173,684.91
  6. Step 6: Final answer
    x = 110,925.73

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1.5x scale

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.