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Finding the Fourth Proportional to 245,548.20, 368,127.90 and 134,740.20

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Solution

The fourth proportional to 245,548.20, 368,127.90 and 134,740.20 is: 202,003.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,548.20 : 368,127.90 = 134,740.20 : x
  2. Step 2: Convert to fraction form
    245,548.20/368,127.90 = 134,740.20/x
  3. Step 3: Cross multiply
    245,548.20x = 368,127.90 × 134,740.20
  4. Step 4: Simplify right side
    245,548.20x = 49,601,626,871.58
  5. Step 5: Solve for x
    x = 49,601,626,871.58/245,548.20
  6. Step 6: Final answer
    x = 202,003.63

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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.