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Finding the Fourth Proportional to 110,487.64, 165,583.14 and 60,492.28

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Solution

The fourth proportional to 110,487.64, 165,583.14 and 60,492.28 is: 90,657.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,487.64 : 165,583.14 = 60,492.28 : x
  2. Step 2: Convert to fraction form
    110,487.64/165,583.14 = 60,492.28/x
  3. Step 3: Cross multiply
    110,487.64x = 165,583.14 × 60,492.28
  4. Step 4: Simplify right side
    110,487.64x = 10,016,501,668.16
  5. Step 5: Solve for x
    x = 10,016,501,668.16/110,487.64
  6. Step 6: Final answer
    x = 90,657.21

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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.