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Finding the Fourth Proportional to 55,893,881.71, 83,848,695.77 and 19,496,963.85

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Solution

The fourth proportional to 55,893,881.71, 83,848,695.77 and 19,496,963.85 is: 29,248,192.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,893,881.71 : 83,848,695.77 = 19,496,963.85 : x
  2. Step 2: Convert to fraction form
    55,893,881.71/83,848,695.77 = 19,496,963.85/x
  3. Step 3: Cross multiply
    55,893,881.71x = 83,848,695.77 × 19,496,963.85
  4. Step 4: Simplify right side
    55,893,881.71x = 1,634,794,990,297,338
  5. Step 5: Solve for x
    x = 1,634,794,990,297,338/55,893,881.71
  6. Step 6: Final answer
    x = 29,248,192.11

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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.