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Finding the Fourth Proportional to 160,465.30, 221,449.03 and 88,845.32

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Solution

The fourth proportional to 160,465.30, 221,449.03 and 88,845.32 is: 122,610.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,465.30 : 221,449.03 = 88,845.32 : x
  2. Step 2: Convert to fraction form
    160,465.30/221,449.03 = 88,845.32/x
  3. Step 3: Cross multiply
    160,465.30x = 221,449.03 × 88,845.32
  4. Step 4: Simplify right side
    160,465.30x = 19,674,709,768.29
  5. Step 5: Solve for x
    x = 19,674,709,768.29/160,465.30
  6. Step 6: Final answer
    x = 122,610.37

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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.