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Finding the Fourth Proportional to 127,324.56, 175,707.84 and 69,967.58

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Solution

The fourth proportional to 127,324.56, 175,707.84 and 69,967.58 is: 96,555.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,324.56 : 175,707.84 = 69,967.58 : x
  2. Step 2: Convert to fraction form
    127,324.56/175,707.84 = 69,967.58/x
  3. Step 3: Cross multiply
    127,324.56x = 175,707.84 × 69,967.58
  4. Step 4: Simplify right side
    127,324.56x = 12,293,851,473.29
  5. Step 5: Solve for x
    x = 12,293,851,473.29/127,324.56
  6. Step 6: Final answer
    x = 96,555.23

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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.