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Finding the Fourth Proportional to 344,618.73, 516,952.74 and 91,897.89

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Solution

The fourth proportional to 344,618.73, 516,952.74 and 91,897.89 is: 137,853.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,618.73 : 516,952.74 = 91,897.89 : x
  2. Step 2: Convert to fraction form
    344,618.73/516,952.74 = 91,897.89/x
  3. Step 3: Cross multiply
    344,618.73x = 516,952.74 × 91,897.89
  4. Step 4: Simplify right side
    344,618.73x = 47,506,866,035.72
  5. Step 5: Solve for x
    x = 47,506,866,035.72/344,618.73
  6. Step 6: Final answer
    x = 137,853.41

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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.