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Finding the Fourth Proportional to 60,136.42, 90,156.02 and 25,102.30

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Solution

The fourth proportional to 60,136.42, 90,156.02 and 25,102.30 is: 37,633.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,136.42 : 90,156.02 = 25,102.30 : x
  2. Step 2: Convert to fraction form
    60,136.42/90,156.02 = 25,102.30/x
  3. Step 3: Cross multiply
    60,136.42x = 90,156.02 × 25,102.30
  4. Step 4: Simplify right side
    60,136.42x = 2,263,123,460.85
  5. Step 5: Solve for x
    x = 2,263,123,460.85/60,136.42
  6. Step 6: Final answer
    x = 37,633.16

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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.