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Finding the Fourth Proportional to 174,368.16, 239,055.84 and 171,218.88

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Solution

The fourth proportional to 174,368.16, 239,055.84 and 171,218.88 is: 234,738.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,368.16 : 239,055.84 = 171,218.88 : x
  2. Step 2: Convert to fraction form
    174,368.16/239,055.84 = 171,218.88/x
  3. Step 3: Cross multiply
    174,368.16x = 239,055.84 × 171,218.88
  4. Step 4: Simplify right side
    174,368.16x = 40,930,873,182.26
  5. Step 5: Solve for x
    x = 40,930,873,182.26/174,368.16
  6. Step 6: Final answer
    x = 234,738.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.