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Finding the Fourth Proportional to 220,047.36, 303,666 and 119,445.36

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Solution

The fourth proportional to 220,047.36, 303,666 and 119,445.36 is: 164,834.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,047.36 : 303,666 = 119,445.36 : x
  2. Step 2: Convert to fraction form
    220,047.36/303,666 = 119,445.36/x
  3. Step 3: Cross multiply
    220,047.36x = 303,666 × 119,445.36
  4. Step 4: Simplify right side
    220,047.36x = 36,271,494,689.76
  5. Step 5: Solve for x
    x = 36,271,494,689.76/220,047.36
  6. Step 6: Final answer
    x = 164,834.95

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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.