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Finding the Fourth Proportional to 134,603.70, 201,832.65 and 55,725.90

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Solution

The fourth proportional to 134,603.70, 201,832.65 and 55,725.90 is: 83,558.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,603.70 : 201,832.65 = 55,725.90 : x
  2. Step 2: Convert to fraction form
    134,603.70/201,832.65 = 55,725.90/x
  3. Step 3: Cross multiply
    134,603.70x = 201,832.65 × 55,725.90
  4. Step 4: Simplify right side
    134,603.70x = 11,247,306,070.64
  5. Step 5: Solve for x
    x = 11,247,306,070.64/134,603.70
  6. Step 6: Final answer
    x = 83,558.67

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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.