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Finding the Fourth Proportional to 163,010.40, 244,515.60 and 57,815.70

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Solution

The fourth proportional to 163,010.40, 244,515.60 and 57,815.70 is: 86,723.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,010.40 : 244,515.60 = 57,815.70 : x
  2. Step 2: Convert to fraction form
    163,010.40/244,515.60 = 57,815.70/x
  3. Step 3: Cross multiply
    163,010.40x = 244,515.60 × 57,815.70
  4. Step 4: Simplify right side
    163,010.40x = 14,136,840,574.92
  5. Step 5: Solve for x
    x = 14,136,840,574.92/163,010.40
  6. Step 6: Final answer
    x = 86,723.55

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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.