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Finding the Fourth Proportional to 218,584.71, 327,877.70 and 60,813.32

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Solution

The fourth proportional to 218,584.71, 327,877.70 and 60,813.32 is: 91,220.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,584.71 : 327,877.70 = 60,813.32 : x
  2. Step 2: Convert to fraction form
    218,584.71/327,877.70 = 60,813.32/x
  3. Step 3: Cross multiply
    218,584.71x = 327,877.70 × 60,813.32
  4. Step 4: Simplify right side
    218,584.71x = 19,939,329,547.51
  5. Step 5: Solve for x
    x = 19,939,329,547.51/218,584.71
  6. Step 6: Final answer
    x = 91,220.15

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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.