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Finding the Fourth Proportional to 240,612.21, 360,715.35 and 151,669.68

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Solution

The fourth proportional to 240,612.21, 360,715.35 and 151,669.68 is: 227,376.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,612.21 : 360,715.35 = 151,669.68 : x
  2. Step 2: Convert to fraction form
    240,612.21/360,715.35 = 151,669.68/x
  3. Step 3: Cross multiply
    240,612.21x = 360,715.35 × 151,669.68
  4. Step 4: Simplify right side
    240,612.21x = 54,709,581,705.59
  5. Step 5: Solve for x
    x = 54,709,581,705.59/240,612.21
  6. Step 6: Final answer
    x = 227,376.58

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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.