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Finding the Fourth Proportional to 189,959.82, 262,030.32 and 125,429.64

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Solution

The fourth proportional to 189,959.82, 262,030.32 and 125,429.64 is: 173,017.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,959.82 : 262,030.32 = 125,429.64 : x
  2. Step 2: Convert to fraction form
    189,959.82/262,030.32 = 125,429.64/x
  3. Step 3: Cross multiply
    189,959.82x = 262,030.32 × 125,429.64
  4. Step 4: Simplify right side
    189,959.82x = 32,866,368,706.68
  5. Step 5: Solve for x
    x = 32,866,368,706.68/189,959.82
  6. Step 6: Final answer
    x = 173,017.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.