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Finding the Fourth Proportional to 160,602.41, 221,622.07 and 88,978.16

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Solution

The fourth proportional to 160,602.41, 221,622.07 and 88,978.16 is: 122,784.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,602.41 : 221,622.07 = 88,978.16 : x
  2. Step 2: Convert to fraction form
    160,602.41/221,622.07 = 88,978.16/x
  3. Step 3: Cross multiply
    160,602.41x = 221,622.07 × 88,978.16
  4. Step 4: Simplify right side
    160,602.41x = 19,719,524,003.99
  5. Step 5: Solve for x
    x = 19,719,524,003.99/160,602.41
  6. Step 6: Final answer
    x = 122,784.73

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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.