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Finding the Fourth Proportional to 175,469.96, 242,089.66 and 143,148.71

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Solution

The fourth proportional to 175,469.96, 242,089.66 and 143,148.71 is: 197,497.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,469.96 : 242,089.66 = 143,148.71 : x
  2. Step 2: Convert to fraction form
    175,469.96/242,089.66 = 143,148.71/x
  3. Step 3: Cross multiply
    175,469.96x = 242,089.66 × 143,148.71
  4. Step 4: Simplify right side
    175,469.96x = 34,654,822,780.69
  5. Step 5: Solve for x
    x = 34,654,822,780.69/175,469.96
  6. Step 6: Final answer
    x = 197,497.18

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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.