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Finding the Fourth Proportional to 110,543.10, 165,826.80 and 40,437.60

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Solution

The fourth proportional to 110,543.10, 165,826.80 and 40,437.60 is: 60,660.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,543.10 : 165,826.80 = 40,437.60 : x
  2. Step 2: Convert to fraction form
    110,543.10/165,826.80 = 40,437.60/x
  3. Step 3: Cross multiply
    110,543.10x = 165,826.80 × 40,437.60
  4. Step 4: Simplify right side
    110,543.10x = 6,705,637,807.68
  5. Step 5: Solve for x
    x = 6,705,637,807.68/110,543.10
  6. Step 6: Final answer
    x = 60,660.84

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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.