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Finding the Fourth Proportional to 134,101.12, 201,122.52 and 40,585

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Solution

The fourth proportional to 134,101.12, 201,122.52 and 40,585 is: 60,868.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,101.12 : 201,122.52 = 40,585 : x
  2. Step 2: Convert to fraction form
    134,101.12/201,122.52 = 40,585/x
  3. Step 3: Cross multiply
    134,101.12x = 201,122.52 × 40,585
  4. Step 4: Simplify right side
    134,101.12x = 8,162,557,474.20
  5. Step 5: Solve for x
    x = 8,162,557,474.20/134,101.12
  6. Step 6: Final answer
    x = 60,868.67

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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.