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Finding the Fourth Proportional to 179,253, 247,376.31 and 98,688.03

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Solution

The fourth proportional to 179,253, 247,376.31 and 98,688.03 is: 136,193.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,253 : 247,376.31 = 98,688.03 : x
  2. Step 2: Convert to fraction form
    179,253/247,376.31 = 98,688.03/x
  3. Step 3: Cross multiply
    179,253x = 247,376.31 × 98,688.03
  4. Step 4: Simplify right side
    179,253x = 24,413,080,702.57
  5. Step 5: Solve for x
    x = 24,413,080,702.57/179,253
  6. Step 6: Final answer
    x = 136,193.43

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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.