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Finding the Fourth Proportional to 110,407.80, 165,482.10 and 51,118.23

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Solution

The fourth proportional to 110,407.80, 165,482.10 and 51,118.23 is: 76,617.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,407.80 : 165,482.10 = 51,118.23 : x
  2. Step 2: Convert to fraction form
    110,407.80/165,482.10 = 51,118.23/x
  3. Step 3: Cross multiply
    110,407.80x = 165,482.10 × 51,118.23
  4. Step 4: Simplify right side
    110,407.80x = 8,459,152,048.68
  5. Step 5: Solve for x
    x = 8,459,152,048.68/110,407.80
  6. Step 6: Final answer
    x = 76,617.34

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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.