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Finding the Fourth Proportional to 104,649.68, 144,409.44 and 59,323.12

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Solution

The fourth proportional to 104,649.68, 144,409.44 and 59,323.12 is: 81,861.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,649.68 : 144,409.44 = 59,323.12 : x
  2. Step 2: Convert to fraction form
    104,649.68/144,409.44 = 59,323.12/x
  3. Step 3: Cross multiply
    104,649.68x = 144,409.44 × 59,323.12
  4. Step 4: Simplify right side
    104,649.68x = 8,566,818,538.25
  5. Step 5: Solve for x
    x = 8,566,818,538.25/104,649.68
  6. Step 6: Final answer
    x = 81,861.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.