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Finding the Fourth Proportional to 155,584.70, 233,290.65 and 61,984.70

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Solution

The fourth proportional to 155,584.70, 233,290.65 and 61,984.70 is: 92,942.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,584.70 : 233,290.65 = 61,984.70 : x
  2. Step 2: Convert to fraction form
    155,584.70/233,290.65 = 61,984.70/x
  3. Step 3: Cross multiply
    155,584.70x = 233,290.65 × 61,984.70
  4. Step 4: Simplify right side
    155,584.70x = 14,460,450,953.06
  5. Step 5: Solve for x
    x = 14,460,450,953.06/155,584.70
  6. Step 6: Final answer
    x = 92,942.63

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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.