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Finding the Fourth Proportional to 173,669, 260,500.65 and 55,338.73

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Solution

The fourth proportional to 173,669, 260,500.65 and 55,338.73 is: 83,007.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,669 : 260,500.65 = 55,338.73 : x
  2. Step 2: Convert to fraction form
    173,669/260,500.65 = 55,338.73/x
  3. Step 3: Cross multiply
    173,669x = 260,500.65 × 55,338.73
  4. Step 4: Simplify right side
    173,669x = 14,415,775,135.17
  5. Step 5: Solve for x
    x = 14,415,775,135.17/173,669
  6. Step 6: Final answer
    x = 83,007.19

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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.