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Finding the Fourth Proportional to 160,047.07, 220,859 and 88,425.56

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Solution

The fourth proportional to 160,047.07, 220,859 and 88,425.56 is: 122,023.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,047.07 : 220,859 = 88,425.56 : x
  2. Step 2: Convert to fraction form
    160,047.07/220,859 = 88,425.56/x
  3. Step 3: Cross multiply
    160,047.07x = 220,859 × 88,425.56
  4. Step 4: Simplify right side
    160,047.07x = 19,529,580,756.04
  5. Step 5: Solve for x
    x = 19,529,580,756.04/160,047.07
  6. Step 6: Final answer
    x = 122,023.98

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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.