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Finding the Fourth Proportional to 163,101.18, 225,051.14 and 91,484.22

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Solution

The fourth proportional to 163,101.18, 225,051.14 and 91,484.22 is: 126,232.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,101.18 : 225,051.14 = 91,484.22 : x
  2. Step 2: Convert to fraction form
    163,101.18/225,051.14 = 91,484.22/x
  3. Step 3: Cross multiply
    163,101.18x = 225,051.14 × 91,484.22
  4. Step 4: Simplify right side
    163,101.18x = 20,588,628,003.01
  5. Step 5: Solve for x
    x = 20,588,628,003.01/163,101.18
  6. Step 6: Final answer
    x = 126,232.24

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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.