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Finding the Fourth Proportional to 155,748.40, 233,661.60 and 44,940.40

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Solution

The fourth proportional to 155,748.40, 233,661.60 and 44,940.40 is: 67,421.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,748.40 : 233,661.60 = 44,940.40 : x
  2. Step 2: Convert to fraction form
    155,748.40/233,661.60 = 44,940.40/x
  3. Step 3: Cross multiply
    155,748.40x = 233,661.60 × 44,940.40
  4. Step 4: Simplify right side
    155,748.40x = 10,500,845,768.64
  5. Step 5: Solve for x
    x = 10,500,845,768.64/155,748.40
  6. Step 6: Final answer
    x = 67,421.85

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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.