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Finding the Fourth Proportional to 160,069.76, 220,908.60 and 88,455.92

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Solution

The fourth proportional to 160,069.76, 220,908.60 and 88,455.92 is: 122,075.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,069.76 : 220,908.60 = 88,455.92 : x
  2. Step 2: Convert to fraction form
    160,069.76/220,908.60 = 88,455.92/x
  3. Step 3: Cross multiply
    160,069.76x = 220,908.60 × 88,455.92
  4. Step 4: Simplify right side
    160,069.76x = 19,540,673,448.91
  5. Step 5: Solve for x
    x = 19,540,673,448.91/160,069.76
  6. Step 6: Final answer
    x = 122,075.98

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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.