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Finding the Fourth Proportional to 110,420.60, 165,630.90 and 92,924.60

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Solution

The fourth proportional to 110,420.60, 165,630.90 and 92,924.60 is: 139,386.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,420.60 : 165,630.90 = 92,924.60 : x
  2. Step 2: Convert to fraction form
    110,420.60/165,630.90 = 92,924.60/x
  3. Step 3: Cross multiply
    110,420.60x = 165,630.90 × 92,924.60
  4. Step 4: Simplify right side
    110,420.60x = 15,391,185,130.14
  5. Step 5: Solve for x
    x = 15,391,185,130.14/110,420.60
  6. Step 6: Final answer
    x = 139,386.90

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1.5x scale

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.