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Finding the Fourth Proportional to 220,010.80, 303,615.24 and 119,409.04

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Solution

The fourth proportional to 220,010.80, 303,615.24 and 119,409.04 is: 164,784.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,010.80 : 303,615.24 = 119,409.04 : x
  2. Step 2: Convert to fraction form
    220,010.80/303,615.24 = 119,409.04/x
  3. Step 3: Cross multiply
    220,010.80x = 303,615.24 × 119,409.04
  4. Step 4: Simplify right side
    220,010.80x = 36,254,404,337.77
  5. Step 5: Solve for x
    x = 36,254,404,337.77/220,010.80
  6. Step 6: Final answer
    x = 164,784.66

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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.