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Finding the Fourth Proportional to 163,762.80, 245,773.80 and 63,970.80

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Solution

The fourth proportional to 163,762.80, 245,773.80 and 63,970.80 is: 96,006.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,762.80 : 245,773.80 = 63,970.80 : x
  2. Step 2: Convert to fraction form
    163,762.80/245,773.80 = 63,970.80/x
  3. Step 3: Cross multiply
    163,762.80x = 245,773.80 × 63,970.80
  4. Step 4: Simplify right side
    163,762.80x = 15,722,346,605.04
  5. Step 5: Solve for x
    x = 15,722,346,605.04/163,762.80
  6. Step 6: Final answer
    x = 96,006.83

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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.