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Finding the Fourth Proportional to 134,662.60, 201,931.82 and 39,858.89

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Solution

The fourth proportional to 134,662.60, 201,931.82 and 39,858.89 is: 59,769.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,662.60 : 201,931.82 = 39,858.89 : x
  2. Step 2: Convert to fraction form
    134,662.60/201,931.82 = 39,858.89/x
  3. Step 3: Cross multiply
    134,662.60x = 201,931.82 × 39,858.89
  4. Step 4: Simplify right side
    134,662.60x = 8,048,777,141.40
  5. Step 5: Solve for x
    x = 8,048,777,141.40/134,662.60
  6. Step 6: Final answer
    x = 59,769.95

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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.