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Finding the Fourth Proportional to 229,059.75, 316,091.79 and 127,084.13

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Solution

The fourth proportional to 229,059.75, 316,091.79 and 127,084.13 is: 175,370.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,059.75 : 316,091.79 = 127,084.13 : x
  2. Step 2: Convert to fraction form
    229,059.75/316,091.79 = 127,084.13/x
  3. Step 3: Cross multiply
    229,059.75x = 316,091.79 × 127,084.13
  4. Step 4: Simplify right side
    229,059.75x = 40,170,250,132.29
  5. Step 5: Solve for x
    x = 40,170,250,132.29/229,059.75
  6. Step 6: Final answer
    x = 175,370.18

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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.