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Finding the Fourth Proportional to 199,384.60, 299,222.70 and 132,802.60

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Solution

The fourth proportional to 199,384.60, 299,222.70 and 132,802.60 is: 199,301.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,384.60 : 299,222.70 = 132,802.60 : x
  2. Step 2: Convert to fraction form
    199,384.60/299,222.70 = 132,802.60/x
  3. Step 3: Cross multiply
    199,384.60x = 299,222.70 × 132,802.60
  4. Step 4: Simplify right side
    199,384.60x = 39,737,552,539.02
  5. Step 5: Solve for x
    x = 39,737,552,539.02/199,384.60
  6. Step 6: Final answer
    x = 199,301.01

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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.