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Finding the Fourth Proportional to 113,187.44, 169,852.44 and 63,300.20

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Solution

The fourth proportional to 113,187.44, 169,852.44 and 63,300.20 is: 94,990.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,187.44 : 169,852.44 = 63,300.20 : x
  2. Step 2: Convert to fraction form
    113,187.44/169,852.44 = 63,300.20/x
  3. Step 3: Cross multiply
    113,187.44x = 169,852.44 × 63,300.20
  4. Step 4: Simplify right side
    113,187.44x = 10,751,693,422.49
  5. Step 5: Solve for x
    x = 10,751,693,422.49/113,187.44
  6. Step 6: Final answer
    x = 94,990.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.