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Finding the Fourth Proportional to 163,039.20, 244,558.80 and 93,055.20

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Solution

The fourth proportional to 163,039.20, 244,558.80 and 93,055.20 is: 139,582.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,039.20 : 244,558.80 = 93,055.20 : x
  2. Step 2: Convert to fraction form
    163,039.20/244,558.80 = 93,055.20/x
  3. Step 3: Cross multiply
    163,039.20x = 244,558.80 × 93,055.20
  4. Step 4: Simplify right side
    163,039.20x = 22,757,468,045.76
  5. Step 5: Solve for x
    x = 22,757,468,045.76/163,039.20
  6. Step 6: Final answer
    x = 139,582.80

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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.