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Finding the Fourth Proportional to 160,602.54, 221,622.24 and 88,978.29

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Solution

The fourth proportional to 160,602.54, 221,622.24 and 88,978.29 is: 122,784.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,602.54 : 221,622.24 = 88,978.29 : x
  2. Step 2: Convert to fraction form
    160,602.54/221,622.24 = 88,978.29/x
  3. Step 3: Cross multiply
    160,602.54x = 221,622.24 × 88,978.29
  4. Step 4: Simplify right side
    160,602.54x = 19,719,566,833.06
  5. Step 5: Solve for x
    x = 19,719,566,833.06/160,602.54
  6. Step 6: Final answer
    x = 122,784.90

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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.