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Finding the Fourth Proportional to 332,114.80, 498,107.40 and 107,420.80

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Solution

The fourth proportional to 332,114.80, 498,107.40 and 107,420.80 is: 161,110.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,114.80 : 498,107.40 = 107,420.80 : x
  2. Step 2: Convert to fraction form
    332,114.80/498,107.40 = 107,420.80/x
  3. Step 3: Cross multiply
    332,114.80x = 498,107.40 × 107,420.80
  4. Step 4: Simplify right side
    332,114.80x = 53,507,095,393.92
  5. Step 5: Solve for x
    x = 53,507,095,393.92/332,114.80
  6. Step 6: Final answer
    x = 161,110.24

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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.