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Finding the Fourth Proportional to 68,793,225.89, 94,931,805.45 and 37,431,403.96

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Solution

The fourth proportional to 68,793,225.89, 94,931,805.45 and 37,431,403.96 is: 51,653,788.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,793,225.89 : 94,931,805.45 = 37,431,403.96 : x
  2. Step 2: Convert to fraction form
    68,793,225.89/94,931,805.45 = 37,431,403.96/x
  3. Step 3: Cross multiply
    68,793,225.89x = 94,931,805.45 × 37,431,403.96
  4. Step 4: Simplify right side
    68,793,225.89x = 3,553,430,758,054,520
  5. Step 5: Solve for x
    x = 3,553,430,758,054,520/68,793,225.89
  6. Step 6: Final answer
    x = 51,653,788.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.