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Finding the Fourth Proportional to 144,803.24, 216,909.24 and 74,534.96

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Solution

The fourth proportional to 144,803.24, 216,909.24 and 74,534.96 is: 111,650.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,803.24 : 216,909.24 = 74,534.96 : x
  2. Step 2: Convert to fraction form
    144,803.24/216,909.24 = 74,534.96/x
  3. Step 3: Cross multiply
    144,803.24x = 216,909.24 × 74,534.96
  4. Step 4: Simplify right side
    144,803.24x = 16,167,321,527.03
  5. Step 5: Solve for x
    x = 16,167,321,527.03/144,803.24
  6. Step 6: Final answer
    x = 111,650.27

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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.