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Finding the Fourth Proportional to 110,126.60, 165,189.90 and 97,879.40

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Solution

The fourth proportional to 110,126.60, 165,189.90 and 97,879.40 is: 146,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,126.60 : 165,189.90 = 97,879.40 : x
  2. Step 2: Convert to fraction form
    110,126.60/165,189.90 = 97,879.40/x
  3. Step 3: Cross multiply
    110,126.60x = 165,189.90 × 97,879.40
  4. Step 4: Simplify right side
    110,126.60x = 16,168,688,298.06
  5. Step 5: Solve for x
    x = 16,168,688,298.06/110,126.60
  6. Step 6: Final answer
    x = 146,819.10

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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.