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Finding the Fourth Proportional to 162,668.52, 224,482.52 and 91,048.56

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Solution

The fourth proportional to 162,668.52, 224,482.52 and 91,048.56 is: 125,646.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,668.52 : 224,482.52 = 91,048.56 : x
  2. Step 2: Convert to fraction form
    162,668.52/224,482.52 = 91,048.56/x
  3. Step 3: Cross multiply
    162,668.52x = 224,482.52 × 91,048.56
  4. Step 4: Simplify right side
    162,668.52x = 20,438,809,576.98
  5. Step 5: Solve for x
    x = 20,438,809,576.98/162,668.52
  6. Step 6: Final answer
    x = 125,646.99

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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.