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Finding the Fourth Proportional to 302,562.90, 453,844.35 and 136,674.90

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Solution

The fourth proportional to 302,562.90, 453,844.35 and 136,674.90 is: 205,012.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,562.90 : 453,844.35 = 136,674.90 : x
  2. Step 2: Convert to fraction form
    302,562.90/453,844.35 = 136,674.90/x
  3. Step 3: Cross multiply
    302,562.90x = 453,844.35 × 136,674.90
  4. Step 4: Simplify right side
    302,562.90x = 62,029,131,151.82
  5. Step 5: Solve for x
    x = 62,029,131,151.82/302,562.90
  6. Step 6: Final answer
    x = 205,012.35

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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.