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Finding the Fourth Proportional to 216,916.94, 324,809.51 and 174,565.68

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Solution

The fourth proportional to 216,916.94, 324,809.51 and 174,565.68 is: 261,393.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,916.94 : 324,809.51 = 174,565.68 : x
  2. Step 2: Convert to fraction form
    216,916.94/324,809.51 = 174,565.68/x
  3. Step 3: Cross multiply
    216,916.94x = 324,809.51 × 174,565.68
  4. Step 4: Simplify right side
    216,916.94x = 56,700,592,110.79
  5. Step 5: Solve for x
    x = 56,700,592,110.79/216,916.94
  6. Step 6: Final answer
    x = 261,393.11

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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.