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Finding the Fourth Proportional to 163,597.16, 245,398.82 and 51,274.88

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Solution

The fourth proportional to 163,597.16, 245,398.82 and 51,274.88 is: 76,913.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,597.16 : 245,398.82 = 51,274.88 : x
  2. Step 2: Convert to fraction form
    163,597.16/245,398.82 = 51,274.88/x
  3. Step 3: Cross multiply
    163,597.16x = 245,398.82 × 51,274.88
  4. Step 4: Simplify right side
    163,597.16x = 12,582,795,047.64
  5. Step 5: Solve for x
    x = 12,582,795,047.64/163,597.16
  6. Step 6: Final answer
    x = 76,913.29

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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.