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Finding the Fourth Proportional to 80,205, 110,707.53 and 46,236.18

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Solution

The fourth proportional to 80,205, 110,707.53 and 46,236.18 is: 63,820.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,205 : 110,707.53 = 46,236.18 : x
  2. Step 2: Convert to fraction form
    80,205/110,707.53 = 46,236.18/x
  3. Step 3: Cross multiply
    80,205x = 110,707.53 × 46,236.18
  4. Step 4: Simplify right side
    80,205x = 5,118,693,284.44
  5. Step 5: Solve for x
    x = 5,118,693,284.44/80,205
  6. Step 6: Final answer
    x = 63,820.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.