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Finding the Fourth Proportional to 302,415.60, 453,623.40 and 125,049.90

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Solution

The fourth proportional to 302,415.60, 453,623.40 and 125,049.90 is: 187,574.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,415.60 : 453,623.40 = 125,049.90 : x
  2. Step 2: Convert to fraction form
    302,415.60/453,623.40 = 125,049.90/x
  3. Step 3: Cross multiply
    302,415.60x = 453,623.40 × 125,049.90
  4. Step 4: Simplify right side
    302,415.60x = 56,725,560,807.66
  5. Step 5: Solve for x
    x = 56,725,560,807.66/302,415.60
  6. Step 6: Final answer
    x = 187,574.85

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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.