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Finding the Fourth Proportional to 163,597.12, 245,398.77 and 51,274.87

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Solution

The fourth proportional to 163,597.12, 245,398.77 and 51,274.87 is: 76,913.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,597.12 : 245,398.77 = 51,274.87 : x
  2. Step 2: Convert to fraction form
    163,597.12/245,398.77 = 51,274.87/x
  3. Step 3: Cross multiply
    163,597.12x = 245,398.77 × 51,274.87
  4. Step 4: Simplify right side
    163,597.12x = 12,582,789,416.41
  5. Step 5: Solve for x
    x = 12,582,789,416.41/163,597.12
  6. Step 6: Final answer
    x = 76,913.27

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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.