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Finding the Fourth Proportional to 220,011.42, 303,615.77 and 119,409.42

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Solution

The fourth proportional to 220,011.42, 303,615.77 and 119,409.42 is: 164,785.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,011.42 : 303,615.77 = 119,409.42 : x
  2. Step 2: Convert to fraction form
    220,011.42/303,615.77 = 119,409.42/x
  3. Step 3: Cross multiply
    220,011.42x = 303,615.77 × 119,409.42
  4. Step 4: Simplify right side
    220,011.42x = 36,254,582,401.51
  5. Step 5: Solve for x
    x = 36,254,582,401.51/220,011.42
  6. Step 6: Final answer
    x = 164,785.00

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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.