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Finding the Fourth Proportional to 110,341.40, 165,512.10 and 40,211.60

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Solution

The fourth proportional to 110,341.40, 165,512.10 and 40,211.60 is: 60,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,341.40 : 165,512.10 = 40,211.60 : x
  2. Step 2: Convert to fraction form
    110,341.40/165,512.10 = 40,211.60/x
  3. Step 3: Cross multiply
    110,341.40x = 165,512.10 × 40,211.60
  4. Step 4: Simplify right side
    110,341.40x = 6,655,506,360.36
  5. Step 5: Solve for x
    x = 6,655,506,360.36/110,341.40
  6. Step 6: Final answer
    x = 60,317.40

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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.