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Finding the Fourth Proportional to 114,613,063.20, 171,919,594.80 and 68,696,560.80

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Solution

The fourth proportional to 114,613,063.20, 171,919,594.80 and 68,696,560.80 is: 103,044,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,613,063.20 : 171,919,594.80 = 68,696,560.80 : x
  2. Step 2: Convert to fraction form
    114,613,063.20/171,919,594.80 = 68,696,560.80/x
  3. Step 3: Cross multiply
    114,613,063.20x = 171,919,594.80 × 68,696,560.80
  4. Step 4: Simplify right side
    114,613,063.20x = 11,810,284,896,889,564
  5. Step 5: Solve for x
    x = 11,810,284,896,889,564/114,613,063.20
  6. Step 6: Final answer
    x = 103,044,841.20

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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.