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Finding the Fourth Proportional to 207,121.94, 285,825.56 and 116,477.88

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Solution

The fourth proportional to 207,121.94, 285,825.56 and 116,477.88 is: 160,737.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,121.94 : 285,825.56 = 116,477.88 : x
  2. Step 2: Convert to fraction form
    207,121.94/285,825.56 = 116,477.88/x
  3. Step 3: Cross multiply
    207,121.94x = 285,825.56 × 116,477.88
  4. Step 4: Simplify right side
    207,121.94x = 33,292,353,849.49
  5. Step 5: Solve for x
    x = 33,292,353,849.49/207,121.94
  6. Step 6: Final answer
    x = 160,737.94

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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.