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Finding the Fourth Proportional to 100,581.53, 150,898.52 and 58,421.07

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Solution

The fourth proportional to 100,581.53, 150,898.52 and 58,421.07 is: 87,646.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,581.53 : 150,898.52 = 58,421.07 : x
  2. Step 2: Convert to fraction form
    100,581.53/150,898.52 = 58,421.07/x
  3. Step 3: Cross multiply
    100,581.53x = 150,898.52 × 58,421.07
  4. Step 4: Simplify right side
    100,581.53x = 8,815,652,707.71
  5. Step 5: Solve for x
    x = 8,815,652,707.71/100,581.53
  6. Step 6: Final answer
    x = 87,646.84

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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.