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Finding the Fourth Proportional to 163,770.88, 245,659.20 and 58,665.28

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Solution

The fourth proportional to 163,770.88, 245,659.20 and 58,665.28 is: 87,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,770.88 : 245,659.20 = 58,665.28 : x
  2. Step 2: Convert to fraction form
    163,770.88/245,659.20 = 58,665.28/x
  3. Step 3: Cross multiply
    163,770.88x = 245,659.20 × 58,665.28
  4. Step 4: Simplify right side
    163,770.88x = 14,411,665,752.58
  5. Step 5: Solve for x
    x = 14,411,665,752.58/163,770.88
  6. Step 6: Final answer
    x = 87,998.95

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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.