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Finding the Fourth Proportional to 117,807,654.80, 176,648,496.60 and 49,573,254.80

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Solution

The fourth proportional to 117,807,654.80, 176,648,496.60 and 49,573,254.80 is: 74,333,377.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,807,654.80 : 176,648,496.60 = 49,573,254.80 : x
  2. Step 2: Convert to fraction form
    117,807,654.80/176,648,496.60 = 49,573,254.80/x
  3. Step 3: Cross multiply
    117,807,654.80x = 176,648,496.60 × 49,573,254.80
  4. Step 4: Simplify right side
    117,807,654.80x = 8,757,040,931,988,733
  5. Step 5: Solve for x
    x = 8,757,040,931,988,733/117,807,654.80
  6. Step 6: Final answer
    x = 74,333,377.97

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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.