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Finding the Fourth Proportional to 145,900.88, 218,847 and 60,503.12

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Solution

The fourth proportional to 145,900.88, 218,847 and 60,503.12 is: 90,752.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,900.88 : 218,847 = 60,503.12 : x
  2. Step 2: Convert to fraction form
    145,900.88/218,847 = 60,503.12/x
  3. Step 3: Cross multiply
    145,900.88x = 218,847 × 60,503.12
  4. Step 4: Simplify right side
    145,900.88x = 13,240,926,302.64
  5. Step 5: Solve for x
    x = 13,240,926,302.64/145,900.88
  6. Step 6: Final answer
    x = 90,752.89

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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.