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Finding the Fourth Proportional to 169,681.32, 234,134.15 and 98,047.44

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Solution

The fourth proportional to 169,681.32, 234,134.15 and 98,047.44 is: 135,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,681.32 : 234,134.15 = 98,047.44 : x
  2. Step 2: Convert to fraction form
    169,681.32/234,134.15 = 98,047.44/x
  3. Step 3: Cross multiply
    169,681.32x = 234,134.15 × 98,047.44
  4. Step 4: Simplify right side
    169,681.32x = 22,956,253,533.84
  5. Step 5: Solve for x
    x = 22,956,253,533.84/169,681.32
  6. Step 6: Final answer
    x = 135,290.40

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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.