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Finding the Fourth Proportional to 301,836.21, 452,673.32 and 143,750.13

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Solution

The fourth proportional to 301,836.21, 452,673.32 and 143,750.13 is: 215,586.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,836.21 : 452,673.32 = 143,750.13 : x
  2. Step 2: Convert to fraction form
    301,836.21/452,673.32 = 143,750.13/x
  3. Step 3: Cross multiply
    301,836.21x = 452,673.32 × 143,750.13
  4. Step 4: Simplify right side
    301,836.21x = 65,071,847,878.78
  5. Step 5: Solve for x
    x = 65,071,847,878.78/301,836.21
  6. Step 6: Final answer
    x = 215,586.62

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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.