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Finding the Fourth Proportional to 163,460.03, 225,575.03 and 91,840.01

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Solution

The fourth proportional to 163,460.03, 225,575.03 and 91,840.01 is: 126,739.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,460.03 : 225,575.03 = 91,840.01 : x
  2. Step 2: Convert to fraction form
    163,460.03/225,575.03 = 91,840.01/x
  3. Step 3: Cross multiply
    163,460.03x = 225,575.03 × 91,840.01
  4. Step 4: Simplify right side
    163,460.03x = 20,716,812,112.68
  5. Step 5: Solve for x
    x = 20,716,812,112.68/163,460.03
  6. Step 6: Final answer
    x = 126,739.32

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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.