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Finding the Fourth Proportional to 160,492.25, 221,476.58 and 88,870.74

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Solution

The fourth proportional to 160,492.25, 221,476.58 and 88,870.74 is: 122,640.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,492.25 : 221,476.58 = 88,870.74 : x
  2. Step 2: Convert to fraction form
    160,492.25/221,476.58 = 88,870.74/x
  3. Step 3: Cross multiply
    160,492.25x = 221,476.58 × 88,870.74
  4. Step 4: Simplify right side
    160,492.25x = 19,682,787,112.92
  5. Step 5: Solve for x
    x = 19,682,787,112.92/160,492.25
  6. Step 6: Final answer
    x = 122,640.11

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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.