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Finding the Fourth Proportional to 134,562.10, 201,843.15 and 64,405.30

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Solution

The fourth proportional to 134,562.10, 201,843.15 and 64,405.30 is: 96,607.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,562.10 : 201,843.15 = 64,405.30 : x
  2. Step 2: Convert to fraction form
    134,562.10/201,843.15 = 64,405.30/x
  3. Step 3: Cross multiply
    134,562.10x = 201,843.15 × 64,405.30
  4. Step 4: Simplify right side
    134,562.10x = 12,999,768,628.70
  5. Step 5: Solve for x
    x = 12,999,768,628.70/134,562.10
  6. Step 6: Final answer
    x = 96,607.95

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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.