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Finding the Fourth Proportional to 173,403.84, 260,079.20 and 55,059.84

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Solution

The fourth proportional to 173,403.84, 260,079.20 and 55,059.84 is: 82,581.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,403.84 : 260,079.20 = 55,059.84 : x
  2. Step 2: Convert to fraction form
    173,403.84/260,079.20 = 55,059.84/x
  3. Step 3: Cross multiply
    173,403.84x = 260,079.20 × 55,059.84
  4. Step 4: Simplify right side
    173,403.84x = 14,319,919,139.33
  5. Step 5: Solve for x
    x = 14,319,919,139.33/173,403.84
  6. Step 6: Final answer
    x = 82,581.33

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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.