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Finding the Fourth Proportional to 176,839.40, 265,261.86 and 98,451.84

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Solution

The fourth proportional to 176,839.40, 265,261.86 and 98,451.84 is: 147,679.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,839.40 : 265,261.86 = 98,451.84 : x
  2. Step 2: Convert to fraction form
    176,839.40/265,261.86 = 98,451.84/x
  3. Step 3: Cross multiply
    176,839.40x = 265,261.86 × 98,451.84
  4. Step 4: Simplify right side
    176,839.40x = 26,115,518,198.82
  5. Step 5: Solve for x
    x = 26,115,518,198.82/176,839.40
  6. Step 6: Final answer
    x = 147,679.30

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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.