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Finding the Fourth Proportional to 73,425.60, 110,008.80 and 60,206.40

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Solution

The fourth proportional to 73,425.60, 110,008.80 and 60,206.40 is: 90,203.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,425.60 : 110,008.80 = 60,206.40 : x
  2. Step 2: Convert to fraction form
    73,425.60/110,008.80 = 60,206.40/x
  3. Step 3: Cross multiply
    73,425.60x = 110,008.80 × 60,206.40
  4. Step 4: Simplify right side
    73,425.60x = 6,623,233,816.32
  5. Step 5: Solve for x
    x = 6,623,233,816.32/73,425.60
  6. Step 6: Final answer
    x = 90,203.33

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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.