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Finding the Fourth Proportional to 245,582.70, 368,374.06 and 68,089.71

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Solution

The fourth proportional to 245,582.70, 368,374.06 and 68,089.71 is: 102,134.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,582.70 : 368,374.06 = 68,089.71 : x
  2. Step 2: Convert to fraction form
    245,582.70/368,374.06 = 68,089.71/x
  3. Step 3: Cross multiply
    245,582.70x = 368,374.06 × 68,089.71
  4. Step 4: Simplify right side
    245,582.70x = 25,082,482,916.92
  5. Step 5: Solve for x
    x = 25,082,482,916.92/245,582.70
  6. Step 6: Final answer
    x = 102,134.57

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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.