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Finding the Fourth Proportional to 172,606.08, 238,331.52 and 134,987.52

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Solution

The fourth proportional to 172,606.08, 238,331.52 and 134,987.52 is: 186,388.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,606.08 : 238,331.52 = 134,987.52 : x
  2. Step 2: Convert to fraction form
    172,606.08/238,331.52 = 134,987.52/x
  3. Step 3: Cross multiply
    172,606.08x = 238,331.52 × 134,987.52
  4. Step 4: Simplify right side
    172,606.08x = 32,171,780,822.63
  5. Step 5: Solve for x
    x = 32,171,780,822.63/172,606.08
  6. Step 6: Final answer
    x = 186,388.46

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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.