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Finding the Fourth Proportional to 161,767.60, 242,651.40 and 114,528.40

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Solution

The fourth proportional to 161,767.60, 242,651.40 and 114,528.40 is: 171,792.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,767.60 : 242,651.40 = 114,528.40 : x
  2. Step 2: Convert to fraction form
    161,767.60/242,651.40 = 114,528.40/x
  3. Step 3: Cross multiply
    161,767.60x = 242,651.40 × 114,528.40
  4. Step 4: Simplify right side
    161,767.60x = 27,790,476,599.76
  5. Step 5: Solve for x
    x = 27,790,476,599.76/161,767.60
  6. Step 6: Final answer
    x = 171,792.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.