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Finding the Fourth Proportional to 229,668.33, 316,952.84 and 127,704.26

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Solution

The fourth proportional to 229,668.33, 316,952.84 and 127,704.26 is: 176,237.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,668.33 : 316,952.84 = 127,704.26 : x
  2. Step 2: Convert to fraction form
    229,668.33/316,952.84 = 127,704.26/x
  3. Step 3: Cross multiply
    229,668.33x = 316,952.84 × 127,704.26
  4. Step 4: Simplify right side
    229,668.33x = 40,476,225,663.81
  5. Step 5: Solve for x
    x = 40,476,225,663.81/229,668.33
  6. Step 6: Final answer
    x = 176,237.73

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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.