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Finding the Fourth Proportional to 257,265.01, 355,052.00 and 148,373.60

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Solution

The fourth proportional to 257,265.01, 355,052.00 and 148,373.60 is: 204,770.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,265.01 : 355,052.00 = 148,373.60 : x
  2. Step 2: Convert to fraction form
    257,265.01/355,052.00 = 148,373.60/x
  3. Step 3: Cross multiply
    257,265.01x = 355,052.00 × 148,373.60
  4. Step 4: Simplify right side
    257,265.01x = 52,680,340,910.07
  5. Step 5: Solve for x
    x = 52,680,340,910.07/257,265.01
  6. Step 6: Final answer
    x = 204,770.72

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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.