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Finding the Fourth Proportional to 99,593.41, 137,435.41 and 55,984.63

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Solution

The fourth proportional to 99,593.41, 137,435.41 and 55,984.63 is: 77,256.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,593.41 : 137,435.41 = 55,984.63 : x
  2. Step 2: Convert to fraction form
    99,593.41/137,435.41 = 55,984.63/x
  3. Step 3: Cross multiply
    99,593.41x = 137,435.41 × 55,984.63
  4. Step 4: Simplify right side
    99,593.41x = 7,694,270,577.75
  5. Step 5: Solve for x
    x = 7,694,270,577.75/99,593.41
  6. Step 6: Final answer
    x = 77,256.82

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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.