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Finding the Fourth Proportional to 110,490, 165,735 and 36,618

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Solution

The fourth proportional to 110,490, 165,735 and 36,618 is: 54,927

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,490 : 165,735 = 36,618 : x
  2. Step 2: Convert to fraction form
    110,490/165,735 = 36,618/x
  3. Step 3: Cross multiply
    110,490x = 165,735 × 36,618
  4. Step 4: Simplify right side
    110,490x = 6,068,884,230
  5. Step 5: Solve for x
    x = 6,068,884,230/110,490
  6. Step 6: Final answer
    x = 54,927

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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.