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Finding the Fourth Proportional to 502,506.06, 753,742.08 and 123,426.06

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Solution

The fourth proportional to 502,506.06, 753,742.08 and 123,426.06 is: 185,134.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,506.06 : 753,742.08 = 123,426.06 : x
  2. Step 2: Convert to fraction form
    502,506.06/753,742.08 = 123,426.06/x
  3. Step 3: Cross multiply
    502,506.06x = 753,742.08 × 123,426.06
  4. Step 4: Simplify right side
    502,506.06x = 93,031,415,190.60
  5. Step 5: Solve for x
    x = 93,031,415,190.60/502,506.06
  6. Step 6: Final answer
    x = 185,134.91

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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.