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Finding the Fourth Proportional to 83,477.88, 115,199.68 and 45,752.12

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Solution

The fourth proportional to 83,477.88, 115,199.68 and 45,752.12 is: 63,138.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,477.88 : 115,199.68 = 45,752.12 : x
  2. Step 2: Convert to fraction form
    83,477.88/115,199.68 = 45,752.12/x
  3. Step 3: Cross multiply
    83,477.88x = 115,199.68 × 45,752.12
  4. Step 4: Simplify right side
    83,477.88x = 5,270,629,583.32
  5. Step 5: Solve for x
    x = 5,270,629,583.32/83,477.88
  6. Step 6: Final answer
    x = 63,138.04

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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.