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Finding the Fourth Proportional to 160,325.84, 221,209.84 and 103,669.04

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Solution

The fourth proportional to 160,325.84, 221,209.84 and 103,669.04 is: 143,037.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,325.84 : 221,209.84 = 103,669.04 : x
  2. Step 2: Convert to fraction form
    160,325.84/221,209.84 = 103,669.04/x
  3. Step 3: Cross multiply
    160,325.84x = 221,209.84 × 103,669.04
  4. Step 4: Simplify right side
    160,325.84x = 22,932,611,751.35
  5. Step 5: Solve for x
    x = 22,932,611,751.35/160,325.84
  6. Step 6: Final answer
    x = 143,037.53

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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.