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Finding the Fourth Proportional to 160,599.10, 221,628.54 and 88,980.25

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Solution

The fourth proportional to 160,599.10, 221,628.54 and 88,980.25 is: 122,793.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,599.10 : 221,628.54 = 88,980.25 : x
  2. Step 2: Convert to fraction form
    160,599.10/221,628.54 = 88,980.25/x
  3. Step 3: Cross multiply
    160,599.10x = 221,628.54 × 88,980.25
  4. Step 4: Simplify right side
    160,599.10x = 19,720,562,896.34
  5. Step 5: Solve for x
    x = 19,720,562,896.34/160,599.10
  6. Step 6: Final answer
    x = 122,793.73

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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.