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Finding the Fourth Proportional to 163,923.40, 245,800.52 and 75,100.80

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Solution

The fourth proportional to 163,923.40, 245,800.52 and 75,100.80 is: 112,612.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,923.40 : 245,800.52 = 75,100.80 : x
  2. Step 2: Convert to fraction form
    163,923.40/245,800.52 = 75,100.80/x
  3. Step 3: Cross multiply
    163,923.40x = 245,800.52 × 75,100.80
  4. Step 4: Simplify right side
    163,923.40x = 18,459,815,692.42
  5. Step 5: Solve for x
    x = 18,459,815,692.42/163,923.40
  6. Step 6: Final answer
    x = 112,612.45

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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.