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Finding the Fourth Proportional to 358,082.30, 537,123.45 and 168,424.76

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Solution

The fourth proportional to 358,082.30, 537,123.45 and 168,424.76 is: 252,637.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,082.30 : 537,123.45 = 168,424.76 : x
  2. Step 2: Convert to fraction form
    358,082.30/537,123.45 = 168,424.76/x
  3. Step 3: Cross multiply
    358,082.30x = 537,123.45 × 168,424.76
  4. Step 4: Simplify right side
    358,082.30x = 90,464,888,156.62
  5. Step 5: Solve for x
    x = 90,464,888,156.62/358,082.30
  6. Step 6: Final answer
    x = 252,637.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.