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Finding the Fourth Proportional to 229,339.99, 316,460.53 and 127,351.59

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Solution

The fourth proportional to 229,339.99, 316,460.53 and 127,351.59 is: 175,729.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,339.99 : 316,460.53 = 127,351.59 : x
  2. Step 2: Convert to fraction form
    229,339.99/316,460.53 = 127,351.59/x
  3. Step 3: Cross multiply
    229,339.99x = 316,460.53 × 127,351.59
  4. Step 4: Simplify right side
    229,339.99x = 40,301,751,667.74
  5. Step 5: Solve for x
    x = 40,301,751,667.74/229,339.99
  6. Step 6: Final answer
    x = 175,729.28

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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.