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Finding the Fourth Proportional to 160,699.30, 240,811.36 and 151,712.80

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Solution

The fourth proportional to 160,699.30, 240,811.36 and 151,712.80 is: 227,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,699.30 : 240,811.36 = 151,712.80 : x
  2. Step 2: Convert to fraction form
    160,699.30/240,811.36 = 151,712.80/x
  3. Step 3: Cross multiply
    160,699.30x = 240,811.36 × 151,712.80
  4. Step 4: Simplify right side
    160,699.30x = 36,534,165,697.41
  5. Step 5: Solve for x
    x = 36,534,165,697.41/160,699.30
  6. Step 6: Final answer
    x = 227,344.90

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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.