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Finding the Fourth Proportional to 133,283.88, 199,753.60 and 99,740.77

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Solution

The fourth proportional to 133,283.88, 199,753.60 and 99,740.77 is: 149,482.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,283.88 : 199,753.60 = 99,740.77 : x
  2. Step 2: Convert to fraction form
    133,283.88/199,753.60 = 99,740.77/x
  3. Step 3: Cross multiply
    133,283.88x = 199,753.60 × 99,740.77
  4. Step 4: Simplify right side
    133,283.88x = 19,923,577,313.06
  5. Step 5: Solve for x
    x = 19,923,577,313.06/133,283.88
  6. Step 6: Final answer
    x = 149,482.27

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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.