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Finding the Fourth Proportional to 335,123.30, 502,551.30 and 110,421.20

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Solution

The fourth proportional to 335,123.30, 502,551.30 and 110,421.20 is: 165,587.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,123.30 : 502,551.30 = 110,421.20 : x
  2. Step 2: Convert to fraction form
    335,123.30/502,551.30 = 110,421.20/x
  3. Step 3: Cross multiply
    335,123.30x = 502,551.30 × 110,421.20
  4. Step 4: Simplify right side
    335,123.30x = 55,492,317,607.56
  5. Step 5: Solve for x
    x = 55,492,317,607.56/335,123.30
  6. Step 6: Final answer
    x = 165,587.76

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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.