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Finding the Fourth Proportional to 80,210.99, 110,693.78 and 46,216.84

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Solution

The fourth proportional to 80,210.99, 110,693.78 and 46,216.84 is: 63,780.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,210.99 : 110,693.78 = 46,216.84 : x
  2. Step 2: Convert to fraction form
    80,210.99/110,693.78 = 46,216.84/x
  3. Step 3: Cross multiply
    80,210.99x = 110,693.78 × 46,216.84
  4. Step 4: Simplify right side
    80,210.99x = 5,115,916,488.17
  5. Step 5: Solve for x
    x = 5,115,916,488.17/80,210.99
  6. Step 6: Final answer
    x = 63,780.74

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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.