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Finding the Fourth Proportional to 468,924.61, 703,387.80 and 113,938.93

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Solution

The fourth proportional to 468,924.61, 703,387.80 and 113,938.93 is: 170,908.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,924.61 : 703,387.80 = 113,938.93 : x
  2. Step 2: Convert to fraction form
    468,924.61/703,387.80 = 113,938.93/x
  3. Step 3: Cross multiply
    468,924.61x = 703,387.80 × 113,938.93
  4. Step 4: Simplify right side
    468,924.61x = 80,143,253,307.05
  5. Step 5: Solve for x
    x = 80,143,253,307.05/468,924.61
  6. Step 6: Final answer
    x = 170,908.61

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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.