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Finding the Fourth Proportional to 134,288.70, 201,526.20 and 101,078.70

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Solution

The fourth proportional to 134,288.70, 201,526.20 and 101,078.70 is: 151,688.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,288.70 : 201,526.20 = 101,078.70 : x
  2. Step 2: Convert to fraction form
    134,288.70/201,526.20 = 101,078.70/x
  3. Step 3: Cross multiply
    134,288.70x = 201,526.20 × 101,078.70
  4. Step 4: Simplify right side
    134,288.70x = 20,370,006,311.94
  5. Step 5: Solve for x
    x = 20,370,006,311.94/134,288.70
  6. Step 6: Final answer
    x = 151,688.16

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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.