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Finding the Fourth Proportional to 160,191.25, 221,047.01 and 88,559.71

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Solution

The fourth proportional to 160,191.25, 221,047.01 and 88,559.71 is: 122,203.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,191.25 : 221,047.01 = 88,559.71 : x
  2. Step 2: Convert to fraction form
    160,191.25/221,047.01 = 88,559.71/x
  3. Step 3: Cross multiply
    160,191.25x = 221,047.01 × 88,559.71
  4. Step 4: Simplify right side
    160,191.25x = 19,575,858,106.55
  5. Step 5: Solve for x
    x = 19,575,858,106.55/160,191.25
  6. Step 6: Final answer
    x = 122,203.04

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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.