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Finding the Fourth Proportional to 133,210.56, 199,914.46 and 63,090.08

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Solution

The fourth proportional to 133,210.56, 199,914.46 and 63,090.08 is: 94,681.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,210.56 : 199,914.46 = 63,090.08 : x
  2. Step 2: Convert to fraction form
    133,210.56/199,914.46 = 63,090.08/x
  3. Step 3: Cross multiply
    133,210.56x = 199,914.46 × 63,090.08
  4. Step 4: Simplify right side
    133,210.56x = 12,612,619,274.56
  5. Step 5: Solve for x
    x = 12,612,619,274.56/133,210.56
  6. Step 6: Final answer
    x = 94,681.83

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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.