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Finding the Fourth Proportional to 161,894.80, 242,842.20 and 144,836.20

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Solution

The fourth proportional to 161,894.80, 242,842.20 and 144,836.20 is: 217,254.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,894.80 : 242,842.20 = 144,836.20 : x
  2. Step 2: Convert to fraction form
    161,894.80/242,842.20 = 144,836.20/x
  3. Step 3: Cross multiply
    161,894.80x = 242,842.20 × 144,836.20
  4. Step 4: Simplify right side
    161,894.80x = 35,172,341,447.64
  5. Step 5: Solve for x
    x = 35,172,341,447.64/161,894.80
  6. Step 6: Final answer
    x = 217,254.30

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1.5x scale

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.