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Finding the Fourth Proportional to 104,459.76, 144,156.16 and 59,136.56

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Solution

The fourth proportional to 104,459.76, 144,156.16 and 59,136.56 is: 81,609.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,459.76 : 144,156.16 = 59,136.56 : x
  2. Step 2: Convert to fraction form
    104,459.76/144,156.16 = 59,136.56/x
  3. Step 3: Cross multiply
    104,459.76x = 144,156.16 × 59,136.56
  4. Step 4: Simplify right side
    104,459.76x = 8,524,899,405.21
  5. Step 5: Solve for x
    x = 8,524,899,405.21/104,459.76
  6. Step 6: Final answer
    x = 81,609.41

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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.