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Finding the Fourth Proportional to 229,166.21, 316,252.73 and 127,198.21

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Solution

The fourth proportional to 229,166.21, 316,252.73 and 127,198.21 is: 175,535.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,166.21 : 316,252.73 = 127,198.21 : x
  2. Step 2: Convert to fraction form
    229,166.21/316,252.73 = 127,198.21/x
  3. Step 3: Cross multiply
    229,166.21x = 316,252.73 × 127,198.21
  4. Step 4: Simplify right side
    229,166.21x = 40,226,780,690.98
  5. Step 5: Solve for x
    x = 40,226,780,690.98/229,166.21
  6. Step 6: Final answer
    x = 175,535.40

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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.