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Finding the Fourth Proportional to 160,077.12, 220,895.28 and 88,455.84

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Solution

The fourth proportional to 160,077.12, 220,895.28 and 88,455.84 is: 122,062.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,077.12 : 220,895.28 = 88,455.84 : x
  2. Step 2: Convert to fraction form
    160,077.12/220,895.28 = 88,455.84/x
  3. Step 3: Cross multiply
    160,077.12x = 220,895.28 × 88,455.84
  4. Step 4: Simplify right side
    160,077.12x = 19,539,477,544.44
  5. Step 5: Solve for x
    x = 19,539,477,544.44/160,077.12
  6. Step 6: Final answer
    x = 122,062.90

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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.