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Finding the Fourth Proportional to 302,609.52, 454,118.40 and 125,115.84

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Solution

The fourth proportional to 302,609.52, 454,118.40 and 125,115.84 is: 187,758.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,609.52 : 454,118.40 = 125,115.84 : x
  2. Step 2: Convert to fraction form
    302,609.52/454,118.40 = 125,115.84/x
  3. Step 3: Cross multiply
    302,609.52x = 454,118.40 × 125,115.84
  4. Step 4: Simplify right side
    302,609.52x = 56,817,405,075.46
  5. Step 5: Solve for x
    x = 56,817,405,075.46/302,609.52
  6. Step 6: Final answer
    x = 187,758.15

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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.