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Finding the Fourth Proportional to 163,056.80, 244,585.20 and 100,848.80

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Solution

The fourth proportional to 163,056.80, 244,585.20 and 100,848.80 is: 151,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,056.80 : 244,585.20 = 100,848.80 : x
  2. Step 2: Convert to fraction form
    163,056.80/244,585.20 = 100,848.80/x
  3. Step 3: Cross multiply
    163,056.80x = 244,585.20 × 100,848.80
  4. Step 4: Simplify right side
    163,056.80x = 24,666,123,917.76
  5. Step 5: Solve for x
    x = 24,666,123,917.76/163,056.80
  6. Step 6: Final answer
    x = 151,273.20

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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.