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Finding the Fourth Proportional to 145,675.60, 201,051.50 and 82,025.80

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Solution

The fourth proportional to 145,675.60, 201,051.50 and 82,025.80 is: 113,206.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,675.60 : 201,051.50 = 82,025.80 : x
  2. Step 2: Convert to fraction form
    145,675.60/201,051.50 = 82,025.80/x
  3. Step 3: Cross multiply
    145,675.60x = 201,051.50 × 82,025.80
  4. Step 4: Simplify right side
    145,675.60x = 16,491,409,215.94
  5. Step 5: Solve for x
    x = 16,491,409,215.94/145,675.60
  6. Step 6: Final answer
    x = 113,206.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.