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Finding the Fourth Proportional to 133,042.60, 199,563.90 and 98,050.60

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Solution

The fourth proportional to 133,042.60, 199,563.90 and 98,050.60 is: 147,075.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,042.60 : 199,563.90 = 98,050.60 : x
  2. Step 2: Convert to fraction form
    133,042.60/199,563.90 = 98,050.60/x
  3. Step 3: Cross multiply
    133,042.60x = 199,563.90 × 98,050.60
  4. Step 4: Simplify right side
    133,042.60x = 19,567,360,133.34
  5. Step 5: Solve for x
    x = 19,567,360,133.34/133,042.60
  6. Step 6: Final answer
    x = 147,075.90

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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.