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Finding the Fourth Proportional to 270,036, 404,835.30 and 112,382.46

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Solution

The fourth proportional to 270,036, 404,835.30 and 112,382.46 is: 168,482.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,036 : 404,835.30 = 112,382.46 : x
  2. Step 2: Convert to fraction form
    270,036/404,835.30 = 112,382.46/x
  3. Step 3: Cross multiply
    270,036x = 404,835.30 × 112,382.46
  4. Step 4: Simplify right side
    270,036x = 45,496,386,908.84
  5. Step 5: Solve for x
    x = 45,496,386,908.84/270,036
  6. Step 6: Final answer
    x = 168,482.67

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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.