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Finding the Fourth Proportional to 104,421.84, 144,099.99 and 59,099.01

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Solution

The fourth proportional to 104,421.84, 144,099.99 and 59,099.01 is: 81,555.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,421.84 : 144,099.99 = 59,099.01 : x
  2. Step 2: Convert to fraction form
    104,421.84/144,099.99 = 59,099.01/x
  3. Step 3: Cross multiply
    104,421.84x = 144,099.99 × 59,099.01
  4. Step 4: Simplify right side
    104,421.84x = 8,516,166,750.01
  5. Step 5: Solve for x
    x = 8,516,166,750.01/104,421.84
  6. Step 6: Final answer
    x = 81,555.42

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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.