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Finding the Fourth Proportional to 308,035.30, 462,133.95 and 97,672.90

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Solution

The fourth proportional to 308,035.30, 462,133.95 and 97,672.90 is: 146,535.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,035.30 : 462,133.95 = 97,672.90 : x
  2. Step 2: Convert to fraction form
    308,035.30/462,133.95 = 97,672.90/x
  3. Step 3: Cross multiply
    308,035.30x = 462,133.95 × 97,672.90
  4. Step 4: Simplify right side
    308,035.30x = 45,137,963,084.96
  5. Step 5: Solve for x
    x = 45,137,963,084.96/308,035.30
  6. Step 6: Final answer
    x = 146,535.03

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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.