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Finding the Fourth Proportional to 85,172.68, 127,774.44 and 35,225.68

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Solution

The fourth proportional to 85,172.68, 127,774.44 and 35,225.68 is: 52,844.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,172.68 : 127,774.44 = 35,225.68 : x
  2. Step 2: Convert to fraction form
    85,172.68/127,774.44 = 35,225.68/x
  3. Step 3: Cross multiply
    85,172.68x = 127,774.44 × 35,225.68
  4. Step 4: Simplify right side
    85,172.68x = 4,500,941,535.62
  5. Step 5: Solve for x
    x = 4,500,941,535.62/85,172.68
  6. Step 6: Final answer
    x = 52,844.90

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1.5x scale

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.