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Finding the Fourth Proportional to 160,803.99, 221,925.72 and 89,197.98

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Solution

The fourth proportional to 160,803.99, 221,925.72 and 89,197.98 is: 123,102.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,803.99 : 221,925.72 = 89,197.98 : x
  2. Step 2: Convert to fraction form
    160,803.99/221,925.72 = 89,197.98/x
  3. Step 3: Cross multiply
    160,803.99x = 221,925.72 × 89,197.98
  4. Step 4: Simplify right side
    160,803.99x = 19,795,325,934.05
  5. Step 5: Solve for x
    x = 19,795,325,934.05/160,803.99
  6. Step 6: Final answer
    x = 123,102.21

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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.