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Finding the Fourth Proportional to 152,493.80, 213,076.60 and 152,493.80

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Solution

The fourth proportional to 152,493.80, 213,076.60 and 152,493.80 is: 213,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,493.80 : 213,076.60 = 152,493.80 : x
  2. Step 2: Convert to fraction form
    152,493.80/213,076.60 = 152,493.80/x
  3. Step 3: Cross multiply
    152,493.80x = 213,076.60 × 152,493.80
  4. Step 4: Simplify right side
    152,493.80x = 32,492,860,425.08
  5. Step 5: Solve for x
    x = 32,492,860,425.08/152,493.80
  6. Step 6: Final answer
    x = 213,076.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.