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Finding the Fourth Proportional to 160,563.72, 221,575.02 and 88,943.52

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Solution

The fourth proportional to 160,563.72, 221,575.02 and 88,943.52 is: 122,740.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,563.72 : 221,575.02 = 88,943.52 : x
  2. Step 2: Convert to fraction form
    160,563.72/221,575.02 = 88,943.52/x
  3. Step 3: Cross multiply
    160,563.72x = 221,575.02 × 88,943.52
  4. Step 4: Simplify right side
    160,563.72x = 19,707,662,222.87
  5. Step 5: Solve for x
    x = 19,707,662,222.87/160,563.72
  6. Step 6: Final answer
    x = 122,740.44

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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.