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Finding the Fourth Proportional to 302,146.88, 453,236.88 and 99,734.72

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Solution

The fourth proportional to 302,146.88, 453,236.88 and 99,734.72 is: 149,607.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,146.88 : 453,236.88 = 99,734.72 : x
  2. Step 2: Convert to fraction form
    302,146.88/453,236.88 = 99,734.72/x
  3. Step 3: Cross multiply
    302,146.88x = 453,236.88 × 99,734.72
  4. Step 4: Simplify right side
    302,146.88x = 45,203,453,320.47
  5. Step 5: Solve for x
    x = 45,203,453,320.47/302,146.88
  6. Step 6: Final answer
    x = 149,607.55

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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.