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Finding the Fourth Proportional to 160,255.56, 221,151.56 and 88,632.94

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Solution

The fourth proportional to 160,255.56, 221,151.56 and 88,632.94 is: 122,312.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,255.56 : 221,151.56 = 88,632.94 : x
  2. Step 2: Convert to fraction form
    160,255.56/221,151.56 = 88,632.94/x
  3. Step 3: Cross multiply
    160,255.56x = 221,151.56 × 88,632.94
  4. Step 4: Simplify right side
    160,255.56x = 19,601,312,948.39
  5. Step 5: Solve for x
    x = 19,601,312,948.39/160,255.56
  6. Step 6: Final answer
    x = 122,312.84

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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.