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Finding the Fourth Proportional to 308,937.90, 462,823.65 and 158,666.70

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Solution

The fourth proportional to 308,937.90, 462,823.65 and 158,666.70 is: 237,700.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,937.90 : 462,823.65 = 158,666.70 : x
  2. Step 2: Convert to fraction form
    308,937.90/462,823.65 = 158,666.70/x
  3. Step 3: Cross multiply
    308,937.90x = 462,823.65 × 158,666.70
  4. Step 4: Simplify right side
    308,937.90x = 73,434,701,227.46
  5. Step 5: Solve for x
    x = 73,434,701,227.46/308,937.90
  6. Step 6: Final answer
    x = 237,700.53

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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.