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Finding the Fourth Proportional to 159,784.01, 220,506.55 and 88,168.65

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Solution

The fourth proportional to 159,784.01, 220,506.55 and 88,168.65 is: 121,675.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,784.01 : 220,506.55 = 88,168.65 : x
  2. Step 2: Convert to fraction form
    159,784.01/220,506.55 = 88,168.65/x
  3. Step 3: Cross multiply
    159,784.01x = 220,506.55 × 88,168.65
  4. Step 4: Simplify right side
    159,784.01x = 19,441,764,829.66
  5. Step 5: Solve for x
    x = 19,441,764,829.66/159,784.01
  6. Step 6: Final answer
    x = 121,675.28

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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.