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Finding the Fourth Proportional to 134,598.20, 201,897.30 and 84,734.60

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Solution

The fourth proportional to 134,598.20, 201,897.30 and 84,734.60 is: 127,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,598.20 : 201,897.30 = 84,734.60 : x
  2. Step 2: Convert to fraction form
    134,598.20/201,897.30 = 84,734.60/x
  3. Step 3: Cross multiply
    134,598.20x = 201,897.30 × 84,734.60
  4. Step 4: Simplify right side
    134,598.20x = 17,107,686,956.58
  5. Step 5: Solve for x
    x = 17,107,686,956.58/134,598.20
  6. Step 6: Final answer
    x = 127,101.90

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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.