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Finding the Fourth Proportional to 169,754.64, 234,266.44 and 98,128.32

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Solution

The fourth proportional to 169,754.64, 234,266.44 and 98,128.32 is: 135,419.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,754.64 : 234,266.44 = 98,128.32 : x
  2. Step 2: Convert to fraction form
    169,754.64/234,266.44 = 98,128.32/x
  3. Step 3: Cross multiply
    169,754.64x = 234,266.44 × 98,128.32
  4. Step 4: Simplify right side
    169,754.64x = 22,988,172,189.58
  5. Step 5: Solve for x
    x = 22,988,172,189.58/169,754.64
  6. Step 6: Final answer
    x = 135,419.99

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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.