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Finding the Fourth Proportional to 301,916.80, 453,078.84 and 124,419.88

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Solution

The fourth proportional to 301,916.80, 453,078.84 and 124,419.88 is: 186,713.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,916.80 : 453,078.84 = 124,419.88 : x
  2. Step 2: Convert to fraction form
    301,916.80/453,078.84 = 124,419.88/x
  3. Step 3: Cross multiply
    301,916.80x = 453,078.84 × 124,419.88
  4. Step 4: Simplify right side
    301,916.80x = 56,372,014,903.34
  5. Step 5: Solve for x
    x = 56,372,014,903.34/301,916.80
  6. Step 6: Final answer
    x = 186,713.74

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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.