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Finding the Fourth Proportional to 212,089.86, 318,124.71 and 62,324.10

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Solution

The fourth proportional to 212,089.86, 318,124.71 and 62,324.10 is: 93,483.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,089.86 : 318,124.71 = 62,324.10 : x
  2. Step 2: Convert to fraction form
    212,089.86/318,124.71 = 62,324.10/x
  3. Step 3: Cross multiply
    212,089.86x = 318,124.71 × 62,324.10
  4. Step 4: Simplify right side
    212,089.86x = 19,826,836,238.51
  5. Step 5: Solve for x
    x = 19,826,836,238.51/212,089.86
  6. Step 6: Final answer
    x = 93,483.19

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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.