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Finding the Fourth Proportional to 101,331.20, 151,996.80 and 96,492.80

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Solution

The fourth proportional to 101,331.20, 151,996.80 and 96,492.80 is: 144,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,331.20 : 151,996.80 = 96,492.80 : x
  2. Step 2: Convert to fraction form
    101,331.20/151,996.80 = 96,492.80/x
  3. Step 3: Cross multiply
    101,331.20x = 151,996.80 × 96,492.80
  4. Step 4: Simplify right side
    101,331.20x = 14,666,596,823.04
  5. Step 5: Solve for x
    x = 14,666,596,823.04/101,331.20
  6. Step 6: Final answer
    x = 144,739.20

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1.5x scale

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.