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Finding the Fourth Proportional to 173,612.76, 260,438.22 and 55,256.37

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Solution

The fourth proportional to 173,612.76, 260,438.22 and 55,256.37 is: 82,890.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,612.76 : 260,438.22 = 55,256.37 : x
  2. Step 2: Convert to fraction form
    173,612.76/260,438.22 = 55,256.37/x
  3. Step 3: Cross multiply
    173,612.76x = 260,438.22 × 55,256.37
  4. Step 4: Simplify right side
    173,612.76x = 14,390,870,646.46
  5. Step 5: Solve for x
    x = 14,390,870,646.46/173,612.76
  6. Step 6: Final answer
    x = 82,890.63

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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.