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Finding the Fourth Proportional to 199,902.45, 299,905.56 and 59,661.08

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Solution

The fourth proportional to 199,902.45, 299,905.56 and 59,661.08 is: 89,507.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,902.45 : 299,905.56 = 59,661.08 : x
  2. Step 2: Convert to fraction form
    199,902.45/299,905.56 = 59,661.08/x
  3. Step 3: Cross multiply
    199,902.45x = 299,905.56 × 59,661.08
  4. Step 4: Simplify right side
    199,902.45x = 17,892,688,108.08
  5. Step 5: Solve for x
    x = 17,892,688,108.08/199,902.45
  6. Step 6: Final answer
    x = 89,507.10

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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.