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Finding the Fourth Proportional to 213,362.86, 294,438.99 and 117,867.55

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Solution

The fourth proportional to 213,362.86, 294,438.99 and 117,867.55 is: 162,656.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,362.86 : 294,438.99 = 117,867.55 : x
  2. Step 2: Convert to fraction form
    213,362.86/294,438.99 = 117,867.55/x
  3. Step 3: Cross multiply
    213,362.86x = 294,438.99 × 117,867.55
  4. Step 4: Simplify right side
    213,362.86x = 34,704,802,375.77
  5. Step 5: Solve for x
    x = 34,704,802,375.77/213,362.86
  6. Step 6: Final answer
    x = 162,656.25

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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.