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Finding the Fourth Proportional to 229,318.93, 316,449.54 and 127,350.93

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Solution

The fourth proportional to 229,318.93, 316,449.54 and 127,350.93 is: 175,738.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,318.93 : 316,449.54 = 127,350.93 : x
  2. Step 2: Convert to fraction form
    229,318.93/316,449.54 = 127,350.93/x
  3. Step 3: Cross multiply
    229,318.93x = 316,449.54 × 127,350.93
  4. Step 4: Simplify right side
    229,318.93x = 40,300,143,217.07
  5. Step 5: Solve for x
    x = 40,300,143,217.07/229,318.93
  6. Step 6: Final answer
    x = 175,738.41

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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.