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Finding the Fourth Proportional to 127,833, 176,407.92 and 71,244.24

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Solution

The fourth proportional to 127,833, 176,407.92 and 71,244.24 is: 98,316.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,833 : 176,407.92 = 71,244.24 : x
  2. Step 2: Convert to fraction form
    127,833/176,407.92 = 71,244.24/x
  3. Step 3: Cross multiply
    127,833x = 176,407.92 × 71,244.24
  4. Step 4: Simplify right side
    127,833x = 12,568,048,190.38
  5. Step 5: Solve for x
    x = 12,568,048,190.38/127,833
  6. Step 6: Final answer
    x = 98,316.15

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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.