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Finding the Fourth Proportional to 123,333.60, 185,043.60 and 53,234.40

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Solution

The fourth proportional to 123,333.60, 185,043.60 and 53,234.40 is: 79,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,333.60 : 185,043.60 = 53,234.40 : x
  2. Step 2: Convert to fraction form
    123,333.60/185,043.60 = 53,234.40/x
  3. Step 3: Cross multiply
    123,333.60x = 185,043.60 × 53,234.40
  4. Step 4: Simplify right side
    123,333.60x = 9,850,685,019.84
  5. Step 5: Solve for x
    x = 9,850,685,019.84/123,333.60
  6. Step 6: Final answer
    x = 79,870.25

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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.