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Finding the Fourth Proportional to 73,357.45, 110,036.17 and 38,288.90

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Solution

The fourth proportional to 73,357.45, 110,036.17 and 38,288.90 is: 57,433.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,357.45 : 110,036.17 = 38,288.90 : x
  2. Step 2: Convert to fraction form
    73,357.45/110,036.17 = 38,288.90/x
  3. Step 3: Cross multiply
    73,357.45x = 110,036.17 × 38,288.90
  4. Step 4: Simplify right side
    73,357.45x = 4,213,164,232.46
  5. Step 5: Solve for x
    x = 4,213,164,232.46/73,357.45
  6. Step 6: Final answer
    x = 57,433.35

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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.