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Finding the Fourth Proportional to 173,886.40, 260,246.40 and 152,891.20

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Solution

The fourth proportional to 173,886.40, 260,246.40 and 152,891.20 is: 228,824.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,886.40 : 260,246.40 = 152,891.20 : x
  2. Step 2: Convert to fraction form
    173,886.40/260,246.40 = 152,891.20/x
  3. Step 3: Cross multiply
    173,886.40x = 260,246.40 × 152,891.20
  4. Step 4: Simplify right side
    173,886.40x = 39,789,384,391.68
  5. Step 5: Solve for x
    x = 39,789,384,391.68/173,886.40
  6. Step 6: Final answer
    x = 228,824.02

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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.